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HLAB Publications

Research outputs & papers

Explore peer-reviewed articles, workshop papers, preprints, and theses authored by HLAB members and collaborators. Use the search field to filter by title, author, venue, or keyword.

353 publications

Year
Publication
2026

Elizabeth C Stade, Philip Held, H Andrew Schwartz, Shannon Wiltsey Stirman, Johannes C Eichstaedt (2026) A framework for evidence-based psychotherapy with AI (EBP-AI).. Journal of psychopathology and clinical science American Psychological Association

Panagiotis Kaliosis, Adithya V Ganesan, Oscar NE Kjell, Whitney Ringwald, Scott Feltman, Melissa A Carr, Dimitris Samaras, Camilo Ruggero, Benjamin J Luft, Roman Kotov, Andrew H Schwartz (2026) A Systematic Evaluation of Large Language Models for PTSD Severity Estimation: The Role of Contextual Knowledge and Modeling Strategies. arXiv preprint arXiv:2602.06015

Nikita Soni, Dhruv Vijay Kunjadiya, Pratham Piyush Shah, Dikshya Mohanty, H Andrew Schwartz, Niranjan Balasubramanian (2026) Addressing the ecological fallacy in larger lms with human context. pp. 121-144

Clara Wiebel, Veerle C Eijsbroek, Vasudha Varadarajan, Katarina Kjell, H Andrew Schwartz, Oscar Kjell (2026) Assessing the Need for Mental Health Support From Free-Text Responses: Development and Validation of Language-Based Assessments in Adults With Internalizing Symptoms. JMIR Mental Health 13. pp. e105460. JMIR Publications

Aaron Marker, Joel Lehman, H Andrew Schwartz (2026) Beyond Satisfaction: Learning Associations Between Content, Reviews, and Well-Being. arXiv preprint arXiv:2607.02539

Damon Navandi, Veerle C Eijsbroek, Clara Wiebel, Aaron Marker, Katarina Kjell, Marc L Molendijk, Elizabeth C Stade, Oscar NE Kjell (2026) Clinicians’ practices and attitudes toward depression assessment: a cross-sectional survey study. BMC psychology BioMed Central

Tim Lomas, August Håkan Nilsson, Oscar Kjell, Ryan Niemiec, James O Pawelski, R Noah Padgett, Tyler J VanderWeele (2026) Differentiating balance and harmony through natural language analysis: A cross-national exploration of two understudied wellbeing-related concepts. The Journal of Positive Psychology 21. (1). pp. 173-191. Routledge

J Schöne, S Subrahmanya, T Hsu, S Giorgi, HA Schwartz (2026) Digital Commons for Public Health: Social Media Language Models Outperform Surveys in Estimating Population Well-Being.

Scott Feltman, Adithya V Ganesan, Whitney Ringwald, H Andrew Schwartz, Roman Kotov, Benjamin Luft, Ryan Boyd, Oscar Kjell (2026) Discriminant Validity: Disentangling Health and Emotional Constructs from Language-Based Assessments. pp. 43-55

Oscar NE Kjell, Scott Feltman, HA Schwartz, Adithya V Ganesan, Whitney R Ringwald, Sean Clouston, Melissa A Carr, Benjamin Luft, Roman Kotov (2026) Distinguishing the language of mental and physical health: A sequential evaluation with model preregistration of automated clinical visit interviews.

Aaron Marker, Oscar Kjell, Vasudha Varadarajan, H Andrew Schwartz (2026) Evaluating Document-Tuned Transformer Representations for Person-level Mental Health Assessment. pp. 178-187

Adithya V Ganesan, Vasudha Varadarajan, Yash Kumar Lal, Veerle C Eijsbroek, Katarina Kjell, Oscar NE Kjell, Tanuja Dhanasekaran, Elizabeth C Stade, Johannes C Eichstaedt, Ryan L Boyd, H Andrew Schwartz, Lucie Flek (2026) Explaining GPTs’ schema of depression: A machine behavior analysis.. Journal of Psychopathology and Clinical Science American Psychological Association

Gabriel J Odom, Laura Brandt, Aaron Marker, Salvatore Giorgi, Ganesh Jainarain, H Andrew Schwartz, Larry Au, Clinton Castro, ENDPOINT Consortium (2026) From Clinical Trials to Real‐World Impact: Introducing a Computational Framework to Detect Endpoint Bias in Opioid Use Disorder Research. Drug and Alcohol Review 45. (1). pp. e70085. John Wiley & Sons Australia, Ltd

Adithya V Ganesan, Vasudha Varadarajan, Oscar Kjell, Whitney Ringwald, Scott M Feltman, Benjamin Luft, Roman Kotov, Ryan Boyd, H Andrew Schwartz (2026) From word sequences to behavioral sequences: Adapting modeling and evaluation paradigms for longitudinal nlp. pp. 47160-47179

Ilias Triantafyllopoulos, Renyi Qu, Salvatore Giorgi, Brenda Curtis, Lyle Ungar, João Sedoc (2026) Knowing When Not to Answer: Lightweight KB-Aligned OOD Detection for Safe RAG. pp. 16266-16301

Samuel Campione, Elizabeth Stade, Stefanie Losavio, Shreya Singhvi, William Xuan, Tony Bui, Maria Martin Lopez, Shashanka Subrahmanya, Bailee Schuhmann, Courtney Worley, Shannon Wiltsey Stirman, Johannes Eichstaedt, H Andrew Schwartz (2026) Language-Based Detection of Adherence to Evidence-Based Psychotherapy Scripts. pp. 250-257

Connor Lawhead, Jamilah Silver, Thomas M Olino, Loïc Labache, Swanie Juhng, H Andrew Schwartz, Daniel N Klein (2026) Longitudinal Clustering of Psychopathology Across Childhood and Adolescence: An Approach Toward Developmentally Based Classification. Clinical Psychological Science 14. (2). pp. 219-239. Sage Publications

Vasudha Varadarajan, Hui Xu, Rebecca Astrid Boehme, Mariam Marlen Mirström, Sverker Sikström, H Andrew Schwartz (2026) MAQUA: Multi-outcome Adaptive Question-Asking for Mental Health using Item Response Theory. pp. 6659-6677

Syeda Mahwish, Ryan L Boyd, Vasudha Varadarajan, Roman Kotov, Benjamin J Luft, H Andrew Schwartz, Sean AP Clouston (2026) Measuring resilience using language modeling: A computational approach to observing resilience. Journal of Traumatic Stress 39. (3). pp. 376-389

Veerle C Eijsbroek, August H Nilsson, Leon Ackermann, Zhuojun Gu, Clara Wiebel, Adithya V Ganesan, Katarina Kjell, H Andrew Schwartz, Oscar NE Kjell (2026) Multiple Methods for Visualizing Human Language: A Tutorial for Social and Behavioral Scientists. SAGE Publications 9. (4). pp. 25152459261454622. SAGE Publications

Veerle Eijsbroek, August Nilsson, Leon Ackermann, Zhuojun Gu, Clara Wiebel, Adithya Ganesan, Katarina Kjell, H Schwartz, Oscar Kjell (2026) Multiple methods for visualizing human language: A tutorial for social and behavioural scientists. OSF OSF

Huy Vu, Huy Anh Nguyen, Adithya V Ganesan, Swanie Juhng, Oscar NE Kjell, Joao Sedoc, Margaret L Kern, Ryan L Boyd, Lyle Ungar, H Andrew Schwartz, Johannes C Eichstaedt (2026) PsychAdapter: adapting LLMs to reflect traits, personality, and mental health. NPJ Artificial Intelligence 2. (1). pp. 26. Nature Publishing Group UK

Oscar Kjell, Adithya V Ganesan, Ryan L Boyd, Joshua Oltmanns, Alfredo Rivero, Scott Feltman, Melissa A Carr, Jorge Alves, Benjamin Luft, Roman Kotov, H Andrew Schwartz (2026) Replicability and Validity of a New Artificial-Intelligence Assessment of Posttraumatic Stress Disorder From Patient Language: A Sequential Evaluation With Model Preregistration. Clinical Psychological Science pp. 21677026261439026. SAGE Publications

Salvatore Giorgi, Katie Ryan, Jane Paik Kim (2026) RESPECT: a conversational AI system for informed consent with accuracy, safety, and stakeholder-centered evaluation. npj Digital Medicine Nature Publishing Group UK

Hiba Arnaout, Anmol Goel, H Andrew Schwartz, Steffen T Eberhardt, Dana Atzil-Slonim, Gavin Doherty, Brian Schwartz, Wolfgang Lutz, Tim Althoff, Munmun De Choudhury, Hamidreza Jamalabadi, Raj Sanjay Shah, Flor Miriam Plaza-del-Arco, Dirk Hovy, Maria Liakata, Iryna Gurevych (2026) Responsible Evaluation of AI for Mental Health. pp. 7625-7660

Nikita Soni, H Andrew Schwartz, Ryan Boyd, Phi Long Bui, Syeda Mahwish, August Håkan Nilsson, Adithya V Ganesan, Lyle Ungar, Niranjan Balasubramanian, Saif Mohammad (2026) SemEval-2026 Task 2: Predicting Variation in Emotional Valence and Arousal over Time from Ecological Essays. pp. 3731-3752

August Håkan Nilsson, Petri J Kajonius, Oscar Kjell, Micael Dahlen, H Andrew Schwartz, Brendan Case, Byron Johnson, Tim Lomas, Noah Padgett, Tyler J VanderWeele (2026) Swedish Well-Being: The rising importance of age among demographic, personality, and social relationship factors. SSM-Population Health pp. 101913. Elsevier

August H Nilsson, Veerle C Eijsbroek, Zhuojun Gu, Katarina Kjell, Salvatore Giorgi, Roman Kotov, Adithya V Ganesan, H Andrew Schwartz, Oscar NE Kjell (2026) The Language-Based Assessment Model Library: Open Model Sharing for Independent Validation and Broader Applications. Advances in Methods and Practices in Psychological Science 9. (2). pp. 25152459261419036. SAGE Publications

Elisa Xu, Scott Feltman, Siddharth Mangalik, Whitney Ringwald, Roman Kotov, Aprajita Mohanty, H Andrew Schwartz (2026) Using large language models to evaluate the interplay between posttraumatic stress disorder symptom severity and intolerance to uncertainty: A large-scale ecological momentary assessment study.. Journal of Psychopathology and Clinical Science American Psychological Association

2025

Jonas Schöne, Shashanka Subrahmanya, Tiffany Hsu, Salvatore Giorgi, H Schwartz (2025) An Important Digital Commons: The Predictive Power of Social Media Data to Estimate Population Well-Being in the US and UK. OSF OSF

Doron Reid, Esau Hutcherson, Natasha Tonge, Paria Rezaei, Salvatore Giorgi, Sharath Guntuku, Anietie Andy (2025) Analyzing# BlackLivesMatter Related Social Media Posts Published from Racially Diverse Geographic Regions in the United States. IEEE pp. 2635-2638. IEEE

August Håkan Nilsson, J Malte Runge, Adithya V Ganesan, Carl Viggo NG Lövenstierne, Nikita Soni, Oscar NE Kjell (2025) Automatic implicit motive codings are at least as accurate as humans’ and 99% faster.. Journal of Personality and Social Psychology 128. (6). pp. 1371. American Psychological Association

Shannon N Speed, Garrick T Sherman, Tammy Wang, Claire L Pince, Jenna E Sanfilippo, Chiara Montemitro, Salvatore Giorgi, Brenda L Curtis, Lisa A Farinelli, Mehdi Farokhnia, Lorenzo Leggio (2025) Bariatric surgery and alcohol and substance use: a case-control survey study. Drug and alcohol dependence 267. pp. 112529. Elsevier

Siddharth Mangalik, Adithya V Ganesan, Abigail Wheeler, Nicholas Kerry, Jeremy DW Clifton, H Andrew Schwartz, Ryan Boyd (2025) Capturing Author Self Beliefs in Social Media Language. pp. 1362-1376

Vasudha Varadarajan, Syeda Mahwish, Xiaoran Liu, Julia Buffolino, Christian C Luhmann, Ryan L Boyd, H Andrew Schwartz (2025) Capturing Human Cognitive Styles with Language: Towards an Experimental Evaluation Paradigm. 2. pp. 966-979

Kelsey Isman, Salvatore Giorgi, Brenda Curtis (2025) Communities at the Crossroads: Exploring Cultural Variations in Opioid Mortality Across the United States. Drug and Alcohol Dependence 267. pp. 111836. Elsevier Science Publishing Company, Inc.

S Feltman, C Khudari, R Kotov, BJ Luft, WR Ringwald, D Samaras, HA Schwartz (2025) Day-to-Day Dynamics of Facial Emotion Expressions in Posttraumatic Stress Disorder. 380

Nikita Soni, Pranav Chitale, Khushboo Singh, Niranjan Balasubramanian, H Andrew Schwartz (2025) Evaluation of LLMs-based hidden states as author representations for psychological human-centered NLP tasks. pp. 7673-7682

Nora Bittár, August Håkan Nilsson, Micael Dahlen, Mirjam Nathanson, Petri J Kajonius, Oscar Kjell, Tim Lomas, R Noah Padgett, Brendan Case, Ying Chen, Richard G Cowden, Byron R Johnson, Tyler J VanderWeele (2025) Flourishing in Sweden: Great overall—but not for all. International Journal of Wellbeing 15. (3)

Vishnu Raja, Adithya V Ganesan, Anand Syamkumar, Ritwik Banerjee, H Schwartz (2025) Idiosyncratic versus normative modeling of atypical speech recognition: dysarthric case studies. pp. 33514-33525

Siddharth Mangalik, Ojas Deshpande, Adithya V Ganesan, Sean AP Clouston, H Andrew Schwartz (2025) Inferring Effects of Major Events through Discontinuity Forecasting of Population Anxiety. arXiv preprint arXiv:2508.21722

Ankit Aich, Tingting Liu, Salvatore Giorgi, Kelsey Isman, Ruhshana Bobojonova, Lyle Ungar, Brenda Curtis (2025) Language models in digital psychiatry: challenges with simplification of healthcare materials. NPP—Digital Psychiatry and Neuroscience 3. (1). pp. 10. Springer International Publishing

Oskar Bång, Zhuojun Gu, August Nilsson, Veerle Eijsbroek, Clara Wiebel, Adithya Ganesan, Katarina Kjell, H Schwartz, Oscar Kjell (2025) Language-based affect assessments capture experiment-induced changes beyond rating scales. OSF OSF

Vasudha Varadarajan, Allison Lahnala, Sujeeth Vankudari, Akshay Raghavan, Scott Feltman, Syeda Mahwish, Camilo Ruggero, Roman Kotov, H Andrew Schwartz (2025) Linking language-based distortion detection to mental health outcomes. pp. 62-68

Damon Navandi, ONE Kjell, K Kjell, V Eijsbroek, C Wiebel, E Stade, M Molendijk (2025) Mental Health Assessment Methods and Attitudes in Clinical Practices. OSF Preprints

Zhuojun Gu, Katarina Kjell, H Andrew Schwartz, Oscar Kjell (2025) Natural language response formats for assessing depression and worry with large language models: A sequential evaluation with model pre-registration. Assessment pp. 10731911251364022. SAGE Publications

Kelsey Isman, Salvatore Giorgi, Jennifer D Ellis, Andrew S Huhn, Tingting Liu, Brenda Curtis (2025) Perceived stigma and its role in substance use disorder treatment completion. The American Journal of Drug and Alcohol Abuse 51. (5). pp. 628-638. Taylor & Francis

Zhuojun Gu, Rajath Rao, August Håkan Nillson, Veerle Eijsbroek, Oscar Kjell (2025) Probed Language-Based Assessments Using Spoken Language. IEEE pp. 258-260. IEEE

Peter Zeng, Pegah Alipoormolabashi, Jihu Mun, Gourab Dey, Nikita Soni, Niranjan Balasubramanian, Owen Rambow, H Andrew Schwartz (2025) Residualized Similarity for Faithfully Explainable Authorship Verification.. pp. 15824-15837

Lisa Vizer, Jennifer Pierce, Yinyao Ji, Meredith A Bucher, Mochuan Liu, Lyle Ungar, Salvatore Giorgi, Zhaopeng Xing, Stacey L House, Francesca L Beaudoin, Jennifer S Stevens, Thomas C Neylan, Gari D Clifford, Tanja Jovanovic, Sarah D Linnstaedt, Donglin Zeng, Laura T Germine, Kenneth A Bollen, Scott L Rauch, John P Haran, Alan B Storrow, Christopher Lewandowski, Paul I Musey Jr, Phyllis L Hendry, Sophia Sheikh, Christopher W Jones, Brittany E Punches, Lauren A Hudak, Jose L Pascual, Mark J Seamon, Erica Harris, Claire Pearson, David A Peak, Roland C Merchant, Robert M Domeier, Brian J O’Neil, Paulina Sergot, Leon D Sanchez, Steven E Bruce, Steven E Harte, Ronald C Kessler, Karestan C Koenen, Samuel A McLean, Xinming An (2025) Smartphone language features may help identify adverse post-traumatic neuropsychiatric sequelae and their trajectories. NPP—Digital Psychiatry and Neuroscience 3. (1). pp. 8. Springer International Publishing

Khushboo Singh, Vasudha Varadarajan, Adithya V Ganesan, August Håkan Nilsson, Nikita Soni, Syeda Mahwish, Pranav Chitale, Ryan Boyd, Lyle Ungar, Richard N Rosenthal, H Andrew Schwartz (2025) Systematic evaluation of auto-encoding and large language model representations for capturing author states and traits. pp. 18955-18973

Vasudha Varadarajan, Salvatore Giorgi, Siddharth Mangalik, Nikita Soni, Dave M Markowitz, H Andrew Schwartz (2025) The consistent lack of variance of psychological factors expressed by LLMs and spambots. pp. 111-119

August Nilsson, Veerle Eijsbroek, Zhuojun Gu, Katarina Kjell, Salvatore Giorgi, Roman Kotov, Adithya Ganesan, H Schwartz, Oscar Kjell (2025) The Language-Based Assessment Model (L-BAM) Library: Open model sharing for independent validation and broader applications. OSF OSF

Veerle C Eijsbroek, Katarina Kjell, H Andrew Schwartz, Jan R Boehnke, Eiko I Fried, Daniel N Klein, Peik Gustafsson, Isabelle Augenstein, Patrick MM Bossuyt, Oscar NE Kjell (2025) The LEADING guideline: Reporting standards for expert panel, best-estimate diagnosis, and longitudinal expert all data (LEAD) methods. Comprehensive psychiatry 141. pp. 152603. WB Saunders

George Ward, H Andrew Schwartz, Salvatore Giorgi, Jochen I Menges, Sandra C Matz (2025) The role of negative affect in shaping populist support: Converging field evidence from across the globe.. American Psychologist 80. (3). pp. 323. American Psychological Association

Allison Lahnala, Salvatore Giorgi, Douglas Bellew, Garrick Sherman, Zachary Fried, Brenda Curtis (2025) Typing under the influence: Keystroke data as a behavioral indicator. WILEY 49. WILEY

Rajath Rao, Adithya V Ganesan, Oscar Kjell, Jonah Luby, Akshay Raghavan, Scott Feltman, Whitney Ringwald, Ryan L. Boyd, Benjamin Luft, Camilo Ruggero, Neville Ryant, Roman Kotov, and H. Andrew Schwartz (2025) WhiSPA: Semantically and Psychologically Aligned Whisper with Self-Supervised Contrastive and Student-Teacher Learning. pp. 22529–22544

Nikita Soni, August Håkan Nilsson, Syeda Mahwish, Vasudha Varadarajan, H Andrew Schwartz, Ryan Boyd (2025) Who we are, where we are: Mental health at the intersection of person, situation, and large language models. pp. 300-313

2024

Vasudha Varadarajan, Sverker Sikström, Oscar Kjell, H Andrew Schwartz (2024) ALBA: Adaptive language-based assessments for mental health. pp. 2466-2478

Vasudha Varadarajan, Allison Lahnala, Adithya V Ganesan, Gourab Dey, Siddharth Mangalik, Ana-Maria Bucur, Nikita Soni, Rajath Rao, Kevin Lanning, Isabella Vallejo, Lucie Flek, H Andrew Schwartz, Charles Welch, Ryan Boyd (2024) Archetypes and entropy: Theory-driven extraction of evidence for suicide risk. pp. 278-291

Oscar NE Kjell, Katarina Kjell, H Andrew Schwartz (2024) Beyond rating scales: With targeted evaluation, large language models are poised for psychological assessment. Elsevier 333. pp. 115667. Elsevier

Shreya Havaldar, Salvatore Giorgi, Sunny Rai, Thomas Talhelm, Sharath Chandra Guntuku, Lyle Ungar (2024) Building knowledge-guided lexica to model cultural variation. pp. 211-226

David B Yaden, Salvatore Giorgi, Matthew Jordan, Anneke Buffone, Johannes C Eichstaedt, H Andrew Schwartz, Lyle Ungar, Paul Bloom (2024) Characterizing empathy and compassion using computational linguistic analysis.. Emotion 24. (1). pp. 106. American Psychological Association

Nikita Soni, Niranjan Balasubramanian, H Andrew Schwartz, Dirk Hovy (2024) Comparing human-centered language modeling: Is it better to model groups, individual traits, or both. arXiv preprint arXiv 2401

N Balasubramanian, D Hovy, H Andrew Schwartz, N Soni (2024) Comparing Pre-Trained Human Language Models: Is It Better with Human Context as Groups, Individual Traits, or Both?. Association for Computational Linguistics (ACL) Association for Computational Linguistics (ACL)

ONE Kjell, Adithya V Ganesan, Ryan Boyd, JR Oltmanns, Alfredo Rivero, Scott Feltman, MA Carr, Benjamin Luft, Roman Kotov, HA Schwartz (2024) Demonstrating high validity of a new AI-language assessment of PTSD: A sequential evaluation with model pre-registration. PsyArXiv. https://doi. org/10.31234/osf. io/xw24e

EC Stade, SW Stirman, P Held, HA Schwartz (2024) Designing clinical large language models for evidence-based psychological practice.

Elizabeth C Stade, Shannon Wiltsey Stirman, Philip Held, H Andrew Schwartz, Johannes C Eichstaedt (2024) Designing clinical psychological AI that reduces suffering: Challenges and technical considerations. Open Science Framework 10

Xiaoyu Lin, Xinkai Yu, Ankit Aich, Salvatore Giorgi, Lyle Ungar (2024) Diversedialogue: A methodology for designing chatbots with human-like diversity. arXiv preprint arXiv:2409.00262

Salvatore Giorgi, Kelsey Isman, Tingting Liu, Zachary Fried, Joao Sedoc, Brenda Curtis (2024) Evaluating generative AI responses to real-world drug-related questions. Psychiatry research 339. pp. 116058. Elsevier

Salvatore Giorgi, João Sedoc, Valentin Barriere, Shabnam Tafreshi (2024) Findings of wassa 2024 shared task on empathy and personality detection in interactions. pp. 369-379

Adithya V Ganesan, Siddharth Mangalik, Vasudha Varadarajan, Nikita Soni, Swanie Juhng, João Sedoc, H Andrew Schwartz, Salvatore Giorgi, Ryan Boyd (2024) From text to context: Contextualizing language with humans, groups, and communities for socially aware nlp. pp. 26-33

Sharath Chandra Guntuku, Thomas Talhelm, Garrick Sherman, Angel Fan, Salvatore Giorgi, Liuqing Wei, Lyle H Ungar (2024) Historical patterns of rice farming explain modern-day language use in China and Japan more than modernization and urbanization. Humanities and Social Sciences Communications 11. (1). pp. 1724. Palgrave

Sunny Rai, Elizabeth C Stade, Salvatore Giorgi, Ashley Francisco, Lyle H Ungar, Brenda Curtis, Sharath C Guntuku (2024) Key language markers of depression on social media depend on race. Proceedings of the National Academy of Sciences 121. (14). pp. e2319837121. National Academy of Sciences

August Nilsson, Ryan Boyd, Adithya Ganesan, Oscar Kjell, Syeda Mahwish, Haitao Huang, Richard Rosenthal, Lyle Ungar, H Schwartz (2024) Language-based assessments for experienced well-being: Accuracy and external validity across behaviors, traits, and states. OSF OSF

August Håkan Nilsson, Hansen Andrew Schwartz, Richard N Rosenthal, James R McKay, Huy Vu, Young-Min Cho, Syeda Mahwish, Adithya V Ganesan, Lyle Ungar (2024) Language-based EMA assessments help understand problematic alcohol consumption. Plos one 19. (3). pp. e0298300. Public Library of Science

Nikita Soni, H Andrew Schwartz, João Sedoc, Niranjan Balasubramanian (2024) Large human language models: A need and the challenges. pp. 8631-8646

Elizabeth C Stade, Shannon Wiltsey Stirman, Lyle H Ungar, Cody L Boland, H Andrew Schwartz, David B Yaden, João Sedoc, Robert J DeRubeis, Robb Willer, Johannes C Eichstaedt (2024) Large language models could change the future of behavioral healthcare: a proposal for responsible development and evaluation. npj mental health research 3. (1). pp. 12. Nature Publishing Group UK

Salvatore Giorgi, Tingting Liu, Ankit Aich, Kelsey Jane Isman, Garrick Sherman, Zachary Fried, João Sedoc, Lyle Ungar, Brenda Curtis (2024) Modeling human subjectivity in LLMs using explicit and implicit human factors in personas. pp. 7174-7188

August Nilsson, Karoline Kopperud, Oscar Kjell, Ragnhild Nes, Frank Martela, Viivi Pentikäinen, Tim Lomas, Emilia Lahti (2024) Nordic Countries Lead in Life Evaluation but Not Emotional Well-Being. OSF OSF

Kelsey Isman, Salvatore Giorgi, Jennifer Ellis, Andrew Huhn, Tingting Liu, Brenda Curtis (2024) Perceived Stigma and its Impact on Substance Use Disorder and Mental Health. OSF OSF

Nikita Soni, Lucie Flek, Ashish Sharma, Diyi Yang, Sara Hooker, H Andrew Schwartz (2024) Proceedings of the 1st Human-Centered Large Language Modeling Workshop.

Huy Vu, Huy Anh Nguyen, Adithya V Ganesan, Swanie Juhng, Oscar NE Kjell, Joao Sedoc, Margaret L Kern, Ryan L Boyd, Lyle Ungar, H Andrew Schwartz, Johannes C Eichstaedt (2024) Psychadapter: Adapting llm transformers to reflect traits, personality and mental health. arXiv preprint arXiv:2412.16882

Salvatore Giorgi, Jason Jeffrey Jones, Anneke Buffone, Johannes C Eichstaedt, Patrick Crutchley, David B Yaden, Jeanette Elstein, Mohammadzaman Zamani, Jennifer Kregor, Laura Smith, Martin EP Seligman, Margaret L Kern, Lyle H Ungar, H Andrew Schwartz (2024) Quantifying generalized trust in individuals and counties using language. Frontiers in social psychology 2. pp. 1384262. Frontiers Media SA

Sunny Rai, Elizabeth C Stade, Salvatore Giorgi, Ashley Francisco, Lyle H Ungar, Brenda Curtis, Sharath C Guntuku (2024) Reply to De Freitas: Social media language explains less of the variance in depression of Black individuals than of White individuals. Proceedings of the National Academy of Sciences 121. (29). pp. e2411458121. National Academy of Sciences

Sunny Rai, Elizabeth C Stade, Salvatore Giorgi, Ashley Francisco, Adithya V Ganesan, Lyle H Ungar, Brenda Curtis, Sharath C Guntuku (2024) Reply to Wang: Clarifying model performance and language markers of depression across races. Proceedings of the National Academy of Sciences 121. (31). pp. e2410449121. National Academy of Sciences

Siddharth Mangalik, Johannes C Eichstaedt, Salvatore Giorgi, Jihu Mun, Farhan Ahmed, Gilvir Gill, Adithya V. Ganesan, Shashanka Subrahmanya, Nikita Soni, Sean AP Clouston, H Andrew Schwartz (2024) Robust language-based mental health assessments in time and space through social media. NPJ Digital Medicine 7. (1). pp. 109. Nature Publishing Group UK

Gourab Dey, Adithya V Ganesan, Yash Kumar Lal, Manal Shah, Shreyashee Sinha, Matthew Matero, Salvatore Giorgi, Vivek Kulkarni, H. Andrew Schwartz (2024) SOCIALITE-LLAMA: An Instruction-Tuned Model for Social Scientific Tasks. pp. 454--468

Rupa Jose, Weixi Wang, Garrick Sherman, Richard N Rosenthal, H Andrew Schwartz, Lyle H Ungar, James R McKay (2024) Tapping into alcohol use during COVID: Drinking correlates among bartenders and servers. PLoS one 19. (4). pp. e0300932. Public Library of Science

August Håkan Nilsson, Johannes C Eichstaedt, Tim Lomas, Andrew Schwartz, Oscar Kjell (2024) The Cantril Ladder elicits thoughts about power and wealth. Scientific Reports 14. (1). pp. 2642. Nature Publishing Group UK

Matthew Matero, Huy Vu, August Håkan Nilsson, Syeda Mahwish, Young Min Cho, James McKay, Johannes Eichstaedt, Richard Rosenthal, Lyle Ungar, H Andrew Schwartz (2024) Using daily language to understand drinking: Multi-level longitudinal differential language analysis. pp. 133-144

Ankit Aich, Tingting Liu, Salvatore Giorgi, Kelsey Isman, Lyle Ungar, Brenda Curtis (2024) Vernacular? i barely know her: Challenges with style control and stereotyping. arXiv preprint arXiv:2406.12679

2023

Salvatore Giorgi, David M Markowitz, Nikita Soni, Vasudha Varadarajan, Siddharth Mangalik, H Andrew Schwartz (2023) " I Slept Like a Baby": Using Human Traits To Characterize Deceptive ChatGPT and Human Text.. pp. 23-37

Arnav Aggarwal, Sunny Rai, Salvatore Giorgi, Shreya Havaldar, Garrick Sherman, Juhi Mittal, Sharath Chandra Guntuku (2023) A cross-modal study of pain across communities in the united states. pp. 1050-1058

Salvatore Giorgi, Daniel Roy Sadek Habib, Douglas Bellew, Garrick Sherman, Brenda Curtis (2023) A linguistic analysis of dehumanization toward substance use across three decades of news articles. Frontiers in public health 11. pp. 1275975. Frontiers Media SA

Brenda Curtis, Salvatore Giorgi, Lyle Ungar, Huy Vu, David Yaden, Tingting Liu, Kenna Yadeta, H Andrew Schwartz (2023) AI-based analysis of social media language predicts addiction treatment dropout at 90 days. Neuropsychopharmacology 48. (11). pp. 1579-1585. Springer International Publishing

Matthew Matero, Salvatore Giorgi, Brenda Curtis, Lyle H Ungar, H Andrew Schwartz (2023) Author Correction: Opioid death projections with AI-based forecasts using social media language. npj Digital Medicine 6. (1). pp. 45. Nature Publishing Group UK

Salvatore Giorgi, Garrick Sherman, Douglas Bellew, Sharath Chandra Guntuku, Lyle Ungar, Brenda Curtis (2023) Aware-text: An android package for mobile phone based text collection and on-device processing. pp. 102-109

David B Yaden, Salvatore Giorgi, Margaret L Kern, Alejandro Adler, Lyle H Ungar, Martin EP Seligman, Johannes C Eichstaedt (2023) Beyond beliefs: Multidimensional aspects of religion and spirituality in language.. Psychology of Religion and Spirituality 15. (2). pp. 272. Educational Publishing Foundation

Xiangyu Tao, Tingting Liu, Celia B Fisher, Salvatore Giorgi, Brenda Curtis (2023) COVID-related social determinants of substance use disorder among diverse US racial ethnic groups. Social Science & Medicine 317. pp. 115599. Pergamon

Salvatore Giorgi, Johannes C Eichstaedt, Daniel Preotiuc-Pietro, Jacob R Gardner, H Andrew Schwartz, Lyle H Ungar (2023) Current Research in Ecological and Social Psychology. 5. pp. 100159

Danielle Levanti, Rebecca N Monastero, Mohammadzaman Zamani, Johannes C Eichstaedt, Salvatore Giorgi, H Andrew Schwartz, Jaymie R Meliker (2023) Depression and anxiety on Twitter during the COVID-19 stay-at-home period in 7 major US cities. AJPM focus 2. (1). pp. 100062. Elsevier

Aaliyah Gray, Tingting Liu, Salvatore Giorgi, Celia B Fisher, Brenda Curtis (2023) Differences in mental health and alcohol use across profiles of COVID-19 disruptions. Alcohol and Alcoholism 58. (4). pp. 393-403. Oxford University Press

Swanie Juhng, Matthew Matero, Vasudha Varadarajan, Johannes Eichstaedt, Adithya V Ganesan, H Andrew Schwartz (2023) Discourse-level representations can improve prediction of degree of anxiety. pp. 1500-1511

Xiangyu Tao, Tingting Liu, Salvatore Giorgi, Celia B Fisher, Brenda Curtis (2023) Extended impact of the COVID-19 pandemic: Trajectories of mental health and substance use among US adults, September 2020–August 2021. Drug and Alcohol Dependence Reports 8. pp. 100186. Elsevier

Salvatore Giorgi, Johannes C Eichstaedt, Daniel Preoţiuc-Pietro, Jacob R Gardner, H Andrew Schwartz, Lyle H Ungar (2023) Filling in the white space: Spatial interpolation with Gaussian processes and social media data. Current research in ecological and social psychology 5. pp. 100159. Elsevier

Valentin Barriere, João Sedoc, Shabnam Tafreshi, Salvatore Giorgi (2023) Findings of WASSA 2023 shared task on empathy, emotion and personality detection in conversation and reactions to news articles. pp. 511-525

Salvatore Giorgi, Shreya Havaldar, Farhan Ahmed, Zuhaib Akhtar, Shalaka Vaidya, Gary Pan, Lyle H Ungar, H Andrew Schwartz, Joao Sedoc (2023) Human-centered metrics for dialog system evaluation. arXiv preprint arXiv:2305.14757

Joshua Oltmanns, H Schwartz, Camilo Ruggero, Youngseo Son, Huy Vu, Gilvir Gill, Jiaju Miao, Monika Waszczuk, Sean Clouston, Evelyn Bromet (2023) Incremental Validity of Language-Based Assessments of Personality in World Trade Center Responders. OSF OSF

Salvatore Giorgi, Brenda Curtis (2023) Leveraging AI to predict substance use disorder treatment outcomes. Neuropsychopharmacology 49. (1). pp. 335

Sophia Lou, Salvatore Giorgi, Tingting Liu, Johannes C Eichstaedt, Brenda Curtis (2023) Measuring disadvantage: a systematic comparison of United States small-area disadvantage indices. Health & Place 80. pp. 102997. Pergamon

Salvatore Giorgi (2023) Multi-Level Methods for Estimating Community Language from Social Media with User and Community Sociodemographics.

Zhuojun Gu, Katarina Kjell, Oscar Kjell (2023) Natural Language Response Formats for Assessing Depression.

Daniel Habib, Salvatore Giorgi, Annabel Kady, Zachary Demko, Brenda Curtis (2023) Novel Substance Use and Support Themes on Reddit: Lessons for Researchers and Practitioners. APHA 2023 Annual Meeting and Expo APHA

Matthew Matero, Salvatore Giorgi, Brenda Curtis, Lyle H Ungar, H Andrew Schwartz (2023) Opioid death projections with AI-based forecasts using social media language. NPJ digital medicine 6. (1). pp. 35. Nature Publishing Group UK

Rodman Turpin, Salvatore Giorgi, Brenda Curtis (2023) Pandemic distress associated with segregation and social stressors. Frontiers in Public Health 11. pp. 1092269. Frontiers Media SA

Sverker Sikström, Alfred Pålsson Höök, Oscar Kjell (2023) Precise language responses versus easy rating scales—Comparing respondents’ views with clinicians’ belief of the respondent’s views. Plos one 18. (2). pp. e0267995. Public Library of Science

Mariah T Hawes, H Andrew Schwartz, Youngseo Son, Daniel N Klein (2023) Predicting adolescent depression and anxiety from multi-wave longitudinal data using machine learning. Psychological Medicine 53. (13). pp. 6205-6211. Cambridge University Press

Salvatore Giorgi, David B Yaden, Johannes C Eichstaedt, Lyle H Ungar, H Andrew Schwartz, Amy Kwarteng, Brenda Curtis (2023) Predicting US county opioid poisoning mortality from multi-modal social media and psychological self-report data. Scientific reports 13. (1). pp. 9027. Nature Publishing Group UK

Salvatore Giorgi, Shreya Havaldar, Farhan Ahmed, Zuhaib Akhtar, Shalaka Vaidya, Gary Pan, Lyle H Ungar, H Andrew Schwartz, Joao Sedoc (2023) Psychological metrics for dialog system evaluation. arXiv preprint arXiv:2305.14757

Daniel Roy Sadek Habib, Salvatore Giorgi, Brenda Curtis (2023) Role of the media in promoting the dehumanization of people who use drugs. Taylor & Francis 49. (4). pp. 371-380. Taylor & Francis

Tiffany Wu, Garrick Sherman, Salvatore Giorgi, Priya Thanneeru, Lyle H Ungar, Patrick S Kamath, Douglas Simonetto, Brenda L Curtis, Vijay Shah (2023) Sa1514 DIGITAL PHENOTYPING FOR CRAVING PREDICTION IN A COHORT WITH ALCOHOL-ASSOCIATED LIVER DISEASE: A PILOT STUDY. Gastroenterology 164. (6). pp. S-1279. WB Saunders

Tiffany Wu, Garrick Sherman, Salvatore Giorgi, Priya Thanneeru, Lyle H Ungar, Patrick S Kamath, Douglas A Simonetto, Brenda L Curtis, Vijay H Shah (2023) Smartphone sensor data estimate alcohol craving in a cohort of patients with alcohol-associated liver disease and alcohol use disorder. Hepatology Communications 7. (12). pp. e0329

Adithya V Ganesan, Yash Kumar Lal, August Håkan Nilsson, H Andrew Schwartz (2023) Systematic evaluation of GPT-3 for zero-shot personality estimation. pp. 390-400

Oscar N Kjell (2023) The conceptualization and measurement of harmony in life using rating scales and semantic measures. JOHN WILEY & SONS LTD 58. pp. 849-850. JOHN WILEY & SONS LTD

George Ward, H Andrew Schwartz, Salvatore Giorgi, Jochen Menges, S Matz (2023) The role of negative affect in shaping populist support: Converging evidence from the field. American Psychologist

Oscar Kjell, Salvatore Giorgi, H Andrew Schwartz (2023) The text-package: An R-package for analyzing and visualizing human language using natural language processing and transformers.. Psychological methods 28. (6). pp. 1478. American Psychological Association

J.C. Kjell, O., Giorgi, S., Schwartz, H. A., & Eichstaedt (2023) Towards well-being measurement with social media across space, time and cultures: Three generations of progress.

Vasudha Varadarajan, Swanie Juhng, Syeda Mahwish, Xiaoran Liu, Jonah Luby, Christian Luhmann, H. Andrew Schwartz (2023) Transfer and Active Learning for Dissonance Detection: Addressing the Rare-Class Challenge. 1. pp. 11923–11936

2022

Salvatore Giorgi, Farhan Ahmed, Lyle Ungar, H Andrew Schwartz (2022) A Human-Centered Hierarchical Framework for Dialogue System Construction and Evaluation.

Elise Bragard, Salvatore Giorgi, Paul Juneau, Brenda L Curtis (2022) Daily diary study of loneliness, alcohol, and drug use during the COVID‐19 pandemic. Alcoholism: Clinical and Experimental Research 46. (8). pp. 1539-1551

Vasudha Varadarajan, Nikita Soni, Weixi Wang, Christian Luhmann, H Andrew Schwartz, Naoya Inoue (2022) Detecting dissonant stance in social media: The role of topic exposure. pp. 151-156

Youngseo Son, Vasudha Varadarajan, H Andrew Schwartz (2022) Discourse relation embeddings: Representing the relations between discourse segments in social media. pp. 45-55

August Håkan Nilsson, Erik Hellryd, Oscar Kjell (2022) Doing well-being: Self-reported activities are related to subjective well-being. Plos one 17. (6). pp. e0270503. Public Library of Science

Matthew Matero, Albert Hung, H Andrew Schwartz (2022) Evaluating Contextual Embeddings and their Extraction Layers for Depression Assessment. pp. 89-94

Olivia H Franco, Monica E Calkins, Salvatore Giorgi, Lyle H Ungar, Raquel E Gur, Christian G Kohler, Sunny X Tang (2022) Evidence for feasibility of mobile health and social media-based interventions for early psychosis and clinical high risk. medRxiv pp. 2022.04. 01.22273303. Cold Spring Harbor Laboratory Press

Olivia H Franco, Monica E Calkins, Salvatore Giorgi, Lyle H Ungar, Raquel E Gur, Christian G Kohler, Sunny X Tang (2022) Feasibility of mobile health and social media–based interventions for young adults with early psychosis and clinical risk for psychosis: survey study. JMIR Formative Research 6. (7). pp. e30230. JMIR Publications

McKenzie Himelein-Wachowiak, Salvatore Giorgi, Amy Kwarteng, Destiny Schriefer, Chase Smitterberg, Kenna Yadeta, Elise Bragard, Amanda Devoto, Lyle Ungar, Brenda Curtis (2022) Getting “clean” from nonsuicidal self-injury: Experiences of addiction on the subreddit r/selfharm. Journal of Behavioral Addictions 11. (1). pp. 128-139. Akadémiai Kiadó

Nikita Soni, H. Andrew Matero, M., Balasubramanian, N., & Schwartz (2022) Human Language Modeling. pp. 622-636

Tingting Liu, Salvatore Giorgi, Kenna Yadeta, H Andrew Schwartz, Lyle H Ungar, Brenda Curtis (2022) Linguistic predictors from Facebook postings of substance use disorder treatment retention versus discontinuation. The American journal of drug and alcohol abuse 48. (5). pp. 573-585. Taylor & Francis

Elise Bragard, Salvatore Giorgi, Paul Juneau, Brenda L Curtis (2022) Loneliness and daily alcohol consumption during the COVID-19 pandemic. Alcohol and alcoholism 57. (2). pp. 198-202. Oxford University Press

Oscar NE Kjell, Sverker Sikström, Katarina Kjell, H Andrew Schwartz (2022) Natural language analyzed with AI-based transformers predict traditional subjective well-being measures approaching the theoretical upper limits in accuracy. Scientific reports 12. (1). pp. 3918. Nature Publishing Group UK

Salvatore Giorgi, McKenzie Himelein-Wachowiak, Daniel Habib, Lyle Ungar, Brenda Curtis (2022) Nonsuicidal self-injury and substance use disorders: A shared language of addiction. pp. 177-183

Salvatore Giorgi, Khoa Le Nguyen, Johannes C Eichstaedt, Margaret L Kern, David B Yaden, Michal Kosinski, Martin EP Seligman, Lyle H Ungar, H Andrew Schwartz, Gregory Park (2022) Regional personality assessment through social media language. Journal of personality 90. (3). pp. 405-425

Vanitha Swaminathan, H Andrew Schwartz, Rowan Menezes, Shawndra Hill (2022) The language of brands in social media: Using topic modeling on social media conversations to drive brand strategy. Journal of Interactive Marketing 57. (2). pp. 255-277. SAGE Publications

G Pasquini, G Ferguson, I Bouklas, H Vu, M Zamani, R Zhaoyang, KD Harrington, NA Roque, J Mogle, HA Schwartz, SB Scott (2022) The where and when of COVID-19: Using ecological and Twitter-based assessments to examine impacts in a temporal and community context.. PLoS One 17. (2). pp. e0264280

Rupa Jose, Matthew Matero, Garrick Sherman, Brenda Curtis, Salvatore Giorgi, Hansen Andrew Schwartz, Lyle H Ungar (2022) Using Facebook language to predict and describe excessive alcohol use. Alcoholism: Clinical and Experimental Research 46. (5). pp. 836-847

Adithya V Ganesan, Vasudha Varadarajan, Juhi Mittal, Shashanka Subrahmanya, Matthew Matero, Nikita Soni, Sharath Chandra Guntuku, Johannes Eichstaedt, H Andrew Schwartz (2022) WWBP-SQT-lite: Multi-level models and difference embeddings for moments of change identification in mental health forums. pp. 251-258

2021

Oscar NE Kjell, Ed Diener (2021) Abbreviated three-item versions of the satisfaction with life scale and the harmony in life scale yield as strong psychometric properties as the original scales. Journal of personality assessment 103. (2). pp. 183-194. Routledge

Mingrui Ray Zhang, He Wen, Wenzhe Cui, Suwen Zhu, H Andrew Schwartz, Xiaojun Bi, Jacob O Wobbrock (2021) AI-Driven Intelligent Text Correction Techniques for Mobile Text Entry. Springer international Publishing pp. 131-168. Springer international Publishing

Joshua R Oltmanns, H Andrew Schwartz, Camilo Ruggero, Youngseo Son, Jiaju Miao, Monika Waszczuk, Sean AP Clouston, Evelyn J Bromet, Benjamin J Luft, Roman Kotov (2021) Artificial intelligence language predictors of two-year trauma-related outcomes. Journal of psychiatric research 143. pp. 239-245. Pergamon

McKenzie Himelein-Wachowiak, Salvatore Giorgi, Amanda Devoto, Muhammad Rahman, Lyle Ungar, H Andrew Schwartz, David H Epstein, Lorenzo Leggio, Brenda Curtis (2021) Bots and misinformation spread on social media: implications for COVID-19. Journal of medical Internet research 23. (5). pp. e26933. JMIR Publications

Salvatore Giorgi, Lyle Ungar, H Andrew Schwartz (2021) Characterizing social spambots by their human traits. pp. 5148-5158

Johannes C Eichstaedt, Margaret L Kern, David B Yaden, H Andrew Schwartz, Salvatore Giorgi, Gregory Park, Courtney A Hagan, Victoria A Tobolsky, Laura K Smith, Anneke Buffone, Jonathan Iwry, Martin EP Seligman, Lyle H Ungar (2021) Closed-and open-vocabulary approaches to text analysis: A review, quantitative comparison, and recommendations.. American Psychological Association 26. (4). pp. 398. American Psychological Association

Oscar Kjell, Daiva Daukantaitė, Sverker Sikström (2021) Computational language assessments of harmony in life—not satisfaction with life or rating scales—correlate with cooperative behaviors. Frontiers in Psychology 12. pp. 601679. Frontiers Media SA

Mohammadzaman Zamani, H. Andrew Schwartz (2021) Contrastive Lexical Diffusion Coefficient: Quantifying the Stickiness of the Ordinary.

Celia B Fisher, Xiangyu Tao, Tingting Liu, Salvatore Giorgi, Brenda Curtis (2021) COVID-related victimization, racial bias and employment and housing disruption increase mental health risk among US Asian, Black and Latinx adults. Frontiers in Public Health 9. pp. 772236. Frontiers Media SA

BL Curtis, S Giorgi, RD Ashford, HT Vu, LH Ungar, HA Schwartz (2021) DIGITAL MARKERS FOR FORECASTING RELAPSE & RECOVERY. WILEY 45. pp. 25A-25A. WILEY

Salvatore Giorgi, Vanni Zavarella, Hristo Tanev, Nicolas Stefanovitch, Sy Hwang, Hansi Hettiarachchi, Tharindu Ranasinghe, Vivek Kalyan, Paul Tan, Shaun Tan, Martin Andrews, Tiancheng Hu, Niklas Stoehr, Francesco Ignazio Re, Daniel Vegh, Dennis Atzenhofer, Brenda Curtis, Ali Hürriyetoğlu (2021) Discovering black lives matter events in the United States: Shared task 3, CASE 2021. pp. 218-227

Adithya V Ganesan, Matthew Matero, Aravind Reddy Ravula, Huy Vu, H Andrew Schwartz (2021) Empirical evaluation of pre-trained transformers for human-level NLP: The role of sample size and dimensionality. pp. 4515-4532

Kokil Jaidka, Johannes Eichstaedt, Salvatore Giorgi, H Andrew Schwartz, Lyle H Ungar (2021) Information-seeking vs. sharing: Which explains regional health? An analysis of Google Search and Twitter trends. Telematics and Informatics 59. pp. 101540. Pergamon

Matthew Matero, Nikita Soni, Niranjan Balasubramanian, H Andrew Schwartz (2021) MeLT: Message-level transformer with masked document representations as pre-training for stance detection.

Oscar KJELL, Sverker Sikström, Katarina KJELL (2021) Method for determining a representation of a subjective state of an individual with vectorial semantic approach.

Ryan L Boyd, H Andrew Schwartz (2021) Natural language analysis and the psychology of verbal behavior: The past, present, and future states of the field. Journal of Language and Social Psychology 40. (1). pp. 21-41. Sage Publications

Oscar Kjell, Sverker Sikström, Katarina Kjell, H Schwartz (2021) Natural language analyzed with AI-based transformers predict traditional well-being measures approaching the theoretical upper limits in accuracy. OSF OSF

Tianchu Ji, Shraddhan Jain, Michael Ferdman, Peter Milder, H Andrew Schwartz, Niranjan Balasubramanian (2021) On the Distribution, Sparsity, and Inference-time Quantization of Attention Values in Transformers. https://aclanthology.org/2021.findings-acl.363/ pp. 4147-4157. https://aclanthology.org/2021.findings-acl.363/

Paul TP Wong, Gökmen Arslan, Victoria L Bowers, Edward J Peacock, Oscar Nils Erik Kjell, Itai Ivtzan, Tim Lomas (2021) Self-transcendence as a buffer against COVID-19 suffering: the development and validation of the self-transcendence measure-B. Frontiers in psychology 12. pp. 648549. Frontiers Media SA

Oscar Kjell, Salvatore Giorgi, H Andrew Schwartz (2021) Text: An R-package for Analyzing and Visualizing Human Language Using Natural Language Processing and Deep Learning. PsyArXiv PsyArXiv

Johannes C Eichstaedt, Garrick T Sherman, Salvatore Giorgi, Steven O Roberts, Megan E Reynolds, Lyle H Ungar, Sharath Chandra Guntuku (2021) The emotional and mental health impact of the murder of George Floyd on the US population. Proceedings of the National Academy of Sciences 118. (39). pp. e2109139118. National Academy of Sciences

Isabella Bouklas (2021) Using Ecological and Twitter-Based Assessments to Examine Impacts in Temporal and Community Context. Innovation in Aging

Sverker Sikström, Mats Dahl, Hannah Lettmann, Anna Alexandersson, Elena Schwörer, Lotta Stille, Oscar Kjell, Åse Innes-Ker, Leonard Ngaosuvan (2021) What you say and what I hear—Investigating differences in the perception of the severity of psychological and physical violence in intimate partner relationships. PLoS one 16. (8). pp. e0255785. Public Library of Science

Youngseo Son, Sean AP Clouston, Roman Kotov, Johannes C Eichstaedt, Evelyn J Bromet, Benjamin J Luft, H Andrew Schwartz (2021) World Trade Center responders in their own words: Predicting PTSD symptom trajectories with AI-based language analyses of interviews. Psychological Medicine pp. 1-9. Cambridge University Press

2020

Matthew Matero, H Andrew Schwartz (2020) Autoregressive affective language forecasting: A self-supervised task. pp. 2913-2923

Margaret Kern, David Yaden, H Schwartz, Salvatore Giorgi, Gregory Park, Courtney Hagan, Victoria Tobolsky, Laura Smith, Anneke Buffone (2020) Closed and Open Vocabulary Approaches to Text Analysis: A Review, Quantitative Comparison, and Recommendations. OSF OSF

Salvatore Giorgi, David B Yaden, Johannes C Eichstaedt, Robert D Ashford, Anneke EK Buffone, H Andrew Schwartz, Lyle H Ungar, Brenda Curtis (2020) Cultural Differences in Tweeting about Drinking. Exploring the Role of Social Media in Health Promotion 18. pp. 123. MDPI

Roshan Santosh, H Andrew Schwartz, Johannes Eichstaedt, Lyle Ungar, Sharath Chandra Guntuku (2020) Detecting emerging symptoms of COVID-19 using context-based twitter embeddings.

Roshan Santosh, Sharath Chandra Guntuku, H Schwartz, Lyle Ungar (2020) Detecting symptoms using context-based twitter embeddings during covid-19.

Robert D Ashford, Salvatore Giorgi, Beau Mann, Chris Pesce, Lon Sherritt, Lyle Ungar, Brenda Curtis (2020) Digital recovery networks: Characterizing user participation, engagement, and outcomes of a novel recovery social network smartphone application. Journal of Substance Abuse Treatment 109. pp. 50-55. Pergamon

Benedetta Pongiglione, Margaret L Kern, J D Carpentieri, H Andrew Schwartz, Neelaabh Gupta, Alissa Goodman (2020) Do children’s expectations about future physical activity predict their physical activity in adulthood?. International Journal of Epidemiology (dyaa131). IEA

Kokil Jaidka, Salvatore Giorgi, H Andrew Schwartz, Margaret L Kern, Lyle H Ungar, Johannes C Eichstaedt (2020) Estimating geographic subjective well-being from Twitter: A comparison of dictionary and data-driven language methods. Proceedings of the national academy of sciences 117. (19). pp. 10165-10171. National Academy of Sciences

Robin C Stevens, Bridgette M Brawner, Elissa Kranzler, Salvatore Giorgi, Elizabeth Lazarus, Maramawit Abera, Sarah Huang, Lyle Ungar (2020) Exploring substance use tweets of youth in the United States: mixed methods study. JMIR Public Health and Surveillance 6. (1). pp. e16191. JMIR Publications

Veronica Lynn, Niranjan Balasubramanian, H Andrew Schwartz (2020) Hierarchical modeling for user personality prediction: The role of message-level attention. pp. 5306-5316

Wenzhe Cui, Suwen Zhu, Mingrui Ray Zhang, H Andrew Schwartz, Jacob O Wobbrock, Xiaojun Bi (2020) Justcorrect: Intelligent post hoc text correction techniques on smartphones. pp. 487-499

Sven Buechel, João Sedoc, H Andrew Schwartz, Lyle Ungar (2020) Learning Emotion from 100 Observations: Unexpected Robustness of Deep Learning under Strong Data Limitations. pp. 129-139

Mary Yaden, David Yaden, Anneke Buffone, Johannes Eichstaedt, Patrick Crutchley, Laura Smith, Jonathan Cass, Clara Callahan, Susan Rosenthal, Lyle Ungar, Andrew Schwartz, Mohammadreza Hojat (2020) Linguistic analysis of empathy in medical school admission essays. International journal of medical education 11. pp. 186

Oscar NE Kjell, Katarina Kjell, Danilo Garcia, Sverker Sikström (2020) Prediction and semantic trained scales: Examining the relationship between semantic responses to depression and worry and the corresponding rating scales. Springer International Publishing pp. 73-86. Springer International Publishing

Deven Santosh Shah, H. Andrew Schwartz, Dirk Hovy (2020) Predictive Biases in Natural Language Processing Models: A Conceptual Framework and Overview. https://www.aclweb.org/anthology/2020.acl-main.468v2.pdf (ACL-2020). pp. 5248--5264. https://www.aclweb.org/anthology/2020.acl-main.468v2.pdf

Rediet Abebe, Salvatore Giorgi, Anna Tedijanto, Anneke Buffone, H Andrew Schwartz (2020) Quantifying Community Characteristics of Maternal Mortality Using Social Media. pp. 2976-2983

David Marcusson-Clavertz, Oscar NE Kjell, Jinhyuk Kim, Stefan D Persson, Etzel Cardena (2020) Sad mood and poor sleep are related to task-unrelated thoughts and experience of diminished cognitive control. Scientific Reports 10. (1). pp. 8940. Nature Publishing Group UK

Oscar NE Kjell, Katarina Kjell, Danilo Garcia, Sverker Sikström (2020) Semantic similarity scales: Using semantic similarity scales to measure depression and worry. Springer International Publishing pp. 53-72. Springer International Publishing

Sverker Sikström, Oscar NE Kjell, Katarina Kjell (2020) SemanticExcel. com: an online software for statistical analyses of text data based on natural language processing. Springer International Publishing pp. 87-103. Springer International Publishing

Peter Milder, Michael Ferdman, Niranjan Balasubramanian, Hansen Schwartz (2020) SHF: Small: Sparsity-Aware Hardware Accelerators for Natural Language Processing with Transformers. NSF Award 20. (2007362). pp. 7362

Danilo Garcia, Ali Al Nima, Oscar NE Kjell, Alexandre Granjard, Sverker Sikström (2020) The (Mis)measurement of Happiness: Words We Associate to Happiness (Semantic Memory) and Narratives of What Makes Us Happy (Episodic Memory). Springer International Publishing pp. 165-189. Springer International Publishing

Jessie Sun, H Andrew Schwartz, Youngseo Son, Margaret L Kern, Simine Vazire (2020) The language of well-being: Tracking fluctuations in emotion experience through everyday speech.. Journal of Personality and Social Psychology 118. (2). pp. 364. American Psychological Association

Mohammadzaman Zamani, H Andrew Schwartz, Johannes Eichstaedt, Sharath Chandra Guntuku, Adithya Virinchipuram Ganesan, Sean Clouston, Salvatore Giorgi (2020) Understanding weekly COVID-19 concerns through dynamic content-specific LDA topic modeling. pp. 193-198

Heather Griffis, David A Asch, H Andrew Schwartz, Lyle Ungar, Alison M Buttenheim, Frances K Barg, Nandita Mitra, Raina M Merchant (2020) Using social media to track geographic variability in language about diabetes: infodemiology analysis. JMIR diabetes 5. (1). pp. e14431. JMIR Publications Inc., Toronto, Canada

Sharath Chandra Guntuku, H Andrew Schwartz, Adarsh Kashyap, Jessica S Gaulton, Daniel C Stokes, David A Asch, Lyle H Ungar, Raina M Merchant (2020) Variability in language used on social media prior to hospital visits. Scientific reports 10. (1). pp. 4346. Nature Publishing Group UK

Olivia Franco, Monica E Calkins, Salvatore Giorgi, Lyle H Ungar, Raquel E Gur, Christian G Kohler, Sunny Tang (2020) Young Adults With Psychotic Disorders Have Similar Access to Technology and Social Media but May Be Less Active in Posting Than Clinical Risk and Psychosis-Free Peers. Biological Psychiatry 87. (9). pp. S242. Elsevier

2019

David Marcusson-Clavertz, Melina West, Oscar NE Kjell, Eli Somer (2019) A daily diary study on maladaptive daydreaming, mind wandering, and sleep disturbances: Examining within-person and between-persons relations. PloS one 14. (11). pp. e0225529. Public Library of Science

Salvatore Giorgi, Veronica Lynn, Sandra Matz, Lyle Ungar, H Andrew Schwartz (2019) Correcting sociodemographic selection biases for accurate population prediction from social media.

H Andrew Schwartz (2019) Correcting Sociodemographic Selection Biases for Population Prediction from Social Media.

Raina M Merchant, David A Asch, Patrick Crutchley, Lyle H Ungar, Sharath C Guntuku, Johannes C Eichstaedt, Shawndra Hill, Kevin Padrez, Robert J Smith, H Andrew Schwartz (2019) Evaluating the predictability of medical conditions from social media posts. PloS one 14. (6). pp. e0215476. Public Library of Science

David Marcusson-Clavertz, Oscar NE Kjell, Stefan D Persson, Etzel Cardeña (2019) Online validation of combined mood induction procedures. PloS one 14. (6). pp. e0217848. Public Library of Science

Sandra C Matz, Jochen I Menges, David J Stillwell, H Andrew Schwartz (2019) Predicting individual-level income from Facebook profiles. PloS one 14. (3). pp. e0214369. Public Library of Science

Jeremy DW Clifton, Joshua D Baker, Crystal L Park, David B Yaden, Alicia BW Clifton, Paolo Terni, Jessica L Miller, Guang Zeng, Salvatore Giorgi, H Andrew Schwartz, Martin EP Seligman (2019) Primal world beliefs.. Psychological Assessment 31. (1). pp. 82. American Psychological Association

Oscar NE Kjell, Katarina Kjell, Danilo Garcia, Sverker Sikström (2019) Semantic measures: Using natural language processing to measure, differentiate, and describe psychological constructs.. Psychological Methods 24. (1). pp. 92. American Psychological Association

Matthew Matero, Akash Idnani, Youngseo Son, Salvatore Giorgi, Huy Vu, Mohammad Zamani, Parth Limbachiya, Sharath Chandra Guntuku, H Andrew Schwartz (2019) Suicide risk assessment with multi-level dual-context language and BERT. pp. 39-44

Shawndra Hill, Anthony Colas, H Andrew Schwartz, Gordon Burtch (2019) TV Ad Events and Digital Search: On the Selection of Outcome Measures. IEEE pp. 3518-3528. IEEE

Veronica Lynn, Salvatore Giorgi, Niranjan Balasubramanian, H Andrew Schwartz (2019) Tweet classification without the tweet: An empirical examination of user versus document attributes. pp. 18-28

2018

BL Curtis, RD Ashford, S Giorgi, C Hamilton, A Buffone, LH Ungar, HA Schwartz, K Lynch (2018) AUTOMATIC AOD RELAPSE PREDICTION USING SOCIAL MEDIA POST. WILEY 42. pp. 280A-280A. WILEY

Brenda Curtis, Salvatore Giorgi, Anneke EK Buffone, Lyle H Ungar, Robert D Ashford, Jessie Hemmons, Dan Summers, Casey Hamilton, H Andrew Schwartz (2018) Can Twitter be used to predict county excessive alcohol consumption rates?. PloS one 13. (4). pp. e0194290. Public Library of Science

Youngseo Son, Nipun Bayas, H Andrew Schwartz (2018) Causal Explanation Analysis on Social Media. pp. 350-3359

Veronica Lynn, Alissa Goodman, Kate Niederhoffer, Kate Loveys, Philip Resnik, H Andrew Schwartz (2018) CLPsych 2018 shared task: Predicting current and future psychological health from childhood essays. pp. 37-46

Oscar Kjell (2018) Conceptualizing and measuring well-being using statistical semantics and numerical rating scales.

Sharath Chandra Guntuku, Salvatore Giorgi, Lyle Ungar (2018) Current and future psychological health prediction using language and socio-demographics of children for the CLPysch 2018 shared task. pp. 98-106

Johannes C Eichstaedt, Robert J Smith, Raina M Merchant, Lyle H Ungar, Patrick Crutchley, Daniel Preoţiuc-Pietro, David A Asch, H Andrew Schwartz (2018) Facebook language predicts depression in medical records. Proceedings of the National Academy of Sciences 115. (44). pp. 11203-11208. National Academy of Sciences

Masoud Rouhizadeh, Kokil Jaidka, Laura Smith, H Andrew Schwartz, Anneke Buffone, Lyle Ungar (2018) Identifying locus of control in social media language. pp. 1146-1152

Vivek Kulkarni, Margaret L Kern, David Stillwell, Michal Kosinski, Sandra Matz, Lyle Ungar, Steven Skiena, H Andrew Schwartz (2018) Latent human traits in the language of social media: An open-vocabulary approach. PloS one 13. (11). pp. e0201703. Public Library of Science

Itai Ivtzan, Tarli Young, Hoi Ching Lee, Tim Lomas, Daiva Daukantaitė, Oscar NE Kjell (2018) Mindfulness based flourishing program: a cross-cultural study of Hong Kong Chinese and British participants. Journal of Happiness Studies 19. (8). pp. 2205-2223. Springer Netherlands

H Schwartz, Salvatore Giorgi, Margaret Kern, Gregory Park, Maarten Sap, Darwin Labarthe, Emily Larson, Martin Seligman, Lyle Ungar (2018) More evidence that Twitter language predicts heart disease: a response and replication. OSF OSF

Mohammadzaman Zamani, Anneke Buffone, H Andrew Schwartz (2018) Predicting human trustfulness from facebook language. pp. 174-181

Mohammadzaman Zamani, H Andrew Schwartz, Veronica E Lynn, Salvatore Giorgi, Niranjan Balasubramanian (2018) Residualized Factor Adaptation for Community Social Media Prediction Tasks. pp. 3560-3569

Sverker Sikström, Oscar Kjell, Katarina Kjell (2018) Semantic excel: An introduction to a user-friendly online software application for statistical analyses of text data. OSF OSF

David B Yaden, Johannes C Eichstaedt, Margaret L Kern, Laura K Smith, Anneke Buffone, David J Stillwell, Michal Kosinski, Lyle H Ungar, Martin EP Seligman, H Andrew Schwartz (2018) The language of religious affiliation: Social, emotional, and cognitive differences. Social Psychological and Personality Science 9. (4). pp. 444-452. Sage Publications

Salvatore Giorgi, Daniel Preotiuc-Pietro, Anneke Buffone, Daniel Rieman, Lyle H Ungar, H Andrew Schwartz (2018) The Remarkable Benefit of User-Level Aggregation for Lexical-based Population-Level Predictions. Association for Computational Linguistics pp. 1167-1172. Association for Computational Linguistics

2017

H Andrew Schwartz, Masoud Rouhizadeh, Michael Bishop, Philip Tetlock, Barbara Mellers, Lyle Ungar (2017) Assessing objective recommendation quality through political forecasting. pp. 2348-2357

Wu Youyou, David Stillwell, H Andrew Schwartz, Michal Kosinski (2017) Birds of a feather do flock together: Behavior-based personality-assessment method reveals personality similarity among couples and friends. Psychological science 28. (3). pp. 276-284. Sage Publications

Jordan Carpenter, Patrick Crutchley, Ran D Zilca, H Andrew Schwartz, Laura K Smith, Angela M Cobb, Acacia C Parks (2017) Correction: Seeing the “big” picture: Big data methods for exploring relationships between usage, language, and outcome in internet intervention data. Journal of Medical Internet Research 19. (12). pp. e347. JMIR Publications

Daniel Rieman, Kokil Jaidka, H Andrew Schwartz, Lyle Ungar (2017) Domain adaptation from user-level facebook models to county-level twitter predictions. pp. 764-773

Veronica Lynn, Youngseo Son, Vivek Kulkarni, Niranjan Balasubramanian, H. Andrew Schwartz (2017) Human Centered NLP with User-Factor Adaptation. pp. 1146–1155

Gregory Park, H Andrew Schwartz, Maarten Sap, Margaret L Kern, Evan Weingarten, Johannes C Eichstaedt, Jonah Berger, David J Stillwell, Michal Kosinski, Lyle H Ungar, Martin EP Seligman (2017) Living in the past, present, and future: Measuring temporal orientation with language. Journal of personality 85. (2). pp. 270-280

Fatemeh Almodaresi, Lyle Ungar, Vivek Kulkarni, Mohsen Zakeri, Salvatore Giorgi, H Andrew Schwartz (2017) On the distribution of lexical features at multiple levels of analysis. pp. 79-84

Jordan Carpenter, Daniel Preotiuc-Pietro, Lucie Flekova, Salvatore Giorgi, Courtney Hagan, Margaret L Kern, Anneke EK Buffone, Lyle Ungar, Martin EP Seligman (2017) Real men don’t say “cute” using automatic language analysis to isolate inaccurate aspects of stereotypes. Social Psychological and Personality Science 8. (3). pp. 310-322. Sage Publications

Youngseo Son, Anneke Buffone, Joe Raso, Allegra Larche, Anthony Janocko, Kevin Zembroski, H Andrew Schwartz, Lyle Ungar (2017) Recognizing counterfactual thinking in social media texts. pp. 654-658

Muhammad Abdul-Mageed, Anneke Buffone, Hao Peng, Salvatore Giorgi, Johannes C Eichstaedt, Lyle H Ungar (2017) Recognizing Pathogenic Empathy in Social Media.. pp. 448-451

David B Yaden, Khoa D Le Nguyen, Margaret L Kern, Nancy A Wintering, Johannes C Eichstaedt, H Andrew Schwartz, Anneke EK Buffone, Laura K Smith, Mark R Waldman, Ralph W Hood Jr, Andrew B Newberg (2017) The noetic quality: A multimethod exploratory study.. Psychology of Consciousness: Theory, Research, and Practice 4. (1). pp. 54. Educational Publishing Foundation

Mohammadzaman Zamani, H Andrew Schwartz (2017) Using twitter language to predict the real estate market. pp. 28-33

Robert J Smith, Patrick Crutchley, H Andrew Schwartz, Lyle Ungar, Frances Shofer, Kevin A Padrez, Raina M Merchant (2017) Variations in Facebook posting patterns across validated patient health conditions: a prospective cohort study. Journal of medical Internet research 19. (1). pp. e7. JMIR Publications

2016

Danilo Garcia, Oscar Kjell, Sverker Sikström (2016) A Collective Picture of What Makes People Happy: Words Representing Social Relationships, not Money, are Recurrent with the Word ‘Happiness’. De Gruyter pp. 4-16. De Gruyter

Molly E Ireland, Qijia Chen, H Andrew Schwartz, Lyle H Ungar, Dolores Albarracin (2016) Action tweets linked to reduced county-level HIV prevalence in the United States: Online messages and structural determinants. AIDS and Behavior 20. (6). pp. 1256-1264. Springer US

Lucie Flekova, Jordan Carpenter, Salvatore Giorgi, Lyle Ungar, Daniel Preoţiuc-Pietro (2016) Analyzing biases in human perception of user age and gender from text. pp. 843-854

Lyle Smith, Laura, Giorgi, Salvatore, Solanki, Rishi, Eichstaedt, Johannes, Schwartz, H. Andrew, Abdul-Mageed, Muhammad, Buffone, Anneke, Ungar (2016) Does ‘well-being’ translate on Twitter?. Association for Computational Linguistic pp. 2042--2047. Association for Computational Linguistic

Laura Smith, Salvatore Giorgi, Rishi Solanki, Johannes Eichstaedt, H Andrew Schwartz, Muhammad Abdul-Mageed, Anneke Buffone, Lyle Ungar (2016) Does ‘well-being’translate on Twitter?. pp. 2042-2047

Margaret L Kern, Gregory Park, Johannes C Eichstaedt, H Andrew Schwartz, Maarten Sap, Laura K Smith, Lyle H Ungar (2016) Gaining insights from social media language: Methodologies and challenges.. Psychological methods 21. (4). pp. 507. American Psychological Association

Danilo Garcia, Oscar NE Kjell, Sverker Sikström (2016) Happiness in Natural language: Words We Relate to Happiness and Descriptions of What Make us Happy: OR1624. International Journal of Psychology 51. pp. 898

Kevin A Padrez, Lyle Ungar, Hansen Andrew Schwartz, Robert J Smith, Shawndra Hill, Tadas Antanavicius, Dana M Brown, Patrick Crutchley, David A Asch, Raina M Merchant (2016) Linking social media and medical record data: a study of adults presenting to an academic, urban emergency department. BMJ quality & safety 25. (6). pp. 414-423. BMJ Publishing Group Ltd

H ANDREW Schwartz, MAARTEN Sap, MARGARET L Kern, JOHANNES C Eichstaedt, ADAM Kapelner, MEGHA Agrawal, EDUARDO Blanco, LUKASZ Dziurzynski, GREGORY Park, DAVID Stillwell, Kosinski MICHAL, MARTIN EP Sligman, LYLE H Ungar (2016) Predicting individual well-being through the language of social media. pp. 516-527

Jordan Carpenter, Patrick Crutchley, Ran D Zilca, H Andrew Schwartz, Laura K Smith, Angela M Cobb, Acacia C Parks (2016) Seeing the “big” picture: big data methods for exploring relationships between usage, language, and outcome in internet intervention data. Journal of Medical Internet Research 18. (8). pp. e241. JMIR Publications

Daniel Preotiuc-Pietro, Jordan Carpenter, Salvatore Giorgi, Lyle Ungar (2016) Studying the Dark Triad of personality through Twitter behavior. pp. 761-770

Glen Coppersmith, Kristy Hollingshead, H Andrew Schwartz, Molly Ireland, Rebecca Resnik, Kate Loveys, April Foreman, Loring Ingraham (2016) The clinical panel: Leveraging psychological expertise during NLP research. pp. 132-137

Oscar NE Kjell, Daiva Daukantaitė, Kate Hefferon, Sverker Sikström (2016) The harmony in life scale complements the satisfaction with life scale: Expanding the conceptualization of the cognitive component of subjective well-being. Social Indicators Research 126. (2). pp. 893-919. Springer Netherlands

David B Yaden, Johannes C Eichstaedt, H Andrew Schwartz, Margaret L Kern, Khoa D Le Nguyen, Nancy A Wintering, Ralph W Hood Jr, Andrew B Newberg (2016) The language of ineffability: Linguistic analysis of mystical experiences.. Psychology of Religion and Spirituality 8. (3). pp. 244. Educational Publishing Foundation

Lauren Sinnenberg, Christie L DiSilvestro, Christina Mancheno, Karl Dailey, Christopher Tufts, Alison M Buttenheim, Fran Barg, Lyle Ungar, H Schwartz, Dana Brown, David A Asch, Raina M Merchant (2016) Twitter as a potential data source for cardiovascular disease research. JAMA cardiology 1. (9). pp. 1032-1036

Danilo Garcia, ONE Kjell, Sverker Sikström, Trevor Archer (2016) Using language and affective profiles to investigate differences between individuals. Clinical and Experimental Psychology 2. (2). pp. 123. International Online Medical Council

Masoud Rouhizadeh, Lyle Ungar, Anneke Buffone, H. Andrew Schwartz (2016) Using Syntactic and Semantic Context to Explore Psychodemographic Differences in Self-reference. Association for Computational Linguistics pp. 2054--2059. Association for Computational Linguistics

Benjamin L Ranard, Rachel M Werner, Tadas Antanavicius, H Andrew Schwartz, Robert J Smith, Zachary F Meisel, David A Asch, Lyle H Ungar, Raina M Merchant (2016) What can Yelp teach us about measuring hospital quality?. Health Affairs (Project Hope) 35. (4). pp. 697

Sophie Lohmann, Man-pui Sally Chan, Chengxiang Zhai, Yisi Liu, Lyle H Ungar, H Andrew Schwartz, Dolores Albarracín (2016) Which HIV-risk-related words can predict new HIV diagnoses in the state of Florida?. APHA 2016 Annual Meeting & Expo (Oct. 29-Nov. 2, 2016) APHA

Gregory Park, David Bryce Yaden, H. Andrew Schwartz, Margaret L. Kern, Johannes C. Eichstaedt, Michael Kosinski, David Stillwell, Lyle H. Ungar, Martin E. P. Seligman (2016) Women are Warmer but No Less Assertive than Men: Gender and Language on Facebook. PLoS ONE 11. (5). pp. e0155885

Benjamin L Ranard, Rachel M Werner, Tadas Antanavicius, H Andrew Schwartz, Robert J Smith, Zachary F Meisel, David A Asch, Lyle H Ungar, Raina M Merchant (2016) Yelp reviews of hospital care can supplement and inform traditional surveys of the patient experience of care. Health Affairs 35. (4). pp. 697-705

2015

Danilo Garcia, Henrik Anckarsäter, Oscar NE Kjell, Trevor Archer, Patricia Rosenberg, C Robert Cloninger, Sverker Sikström (2015) Agentic, communal, and spiritual traits are related to the semantic representation of written narratives of positive and negative life events. Psychology of Well-being 5. (1). pp. 8. Springer Berlin Heidelberg

Gregory Park, H Andrew Schwartz, Johannes C Eichstaedt, Margaret L Kern, Michal Kosinski, David J Stillwell, Lyle H Ungar, Martin EP Seligman (2015) Automatic personality assessment through social media language.. Journal of personality and social psychology 108. (6). pp. 934. American Psychological Association

H Andrew Schwartz, Lyle H Ungar (2015) Data-driven content analysis of social media: A systematic overview of automated methods. Sage Publications 659. (1). pp. 78-94. Sage Publications

Firdous Saleheen, Salvatore Giorgi, Zachary Thomas Smith, Joseph Picone, Chang-Hee Won (2015) Design and evaluation of a web-based virtual open laboratory teaching assistant (volta) for circuits laboratory. pp. 26.449. 1-26.449. 16

H Andrew Schwartz, Gregory J Park, Maarten Sap, Evan Weingarten, Johannes Eichstaedt, Margaret L Kern, David Stillwell, Michal Kosinski, Jonah Berger, Martin Seligman, Lyle H Ungar (2015) Extracting Human Temporal Orientation in Facebook Language. Association for Computational Linguistics Association for Computational Linguistics

Molly E Ireland, H Andrew Schwartz, Qijia Chen, Lyle H Ungar, Dolores Albarracín (2015) Future-oriented tweets predict lower county-level HIV prevalence in the United States.. Health Psychology 34. (S). pp. 1252. American Psychological Association

Daniel Preotiuc-Pietro, Maarten Sap, H Andrew Schwartz, Lyle Ungar (2015) Mental illness detection at the World Well-Being Project for the CLPsych 2015 shared task. NAACL HLT 2015 pp. 40

Johannes C Eichstaedt, Hansen Andrew Schwartz, Margaret L Kern, Gregory Park, Darwin R Labarthe, Raina M Merchant, Sneha Jha, Megha Agrawal, Lukasz A Dziurzynski, Maarten Sap, Christopher Weeg, Emily E Larson, Lyle H Ungar, Martin EP Seligman (2015) Psychological language on Twitter predicts county-level heart disease mortality. Psychological science 26. (2). pp. 159-169. Sage Publications

Charlene A Wong, Maarten Sap, H Andrew Schwartz, Robert Town, Tom Baker, Lyle Ungar, Raina M Merchant (2015) Twitter sentiment predicts Affordable Care Act marketplace enrollment. Journal of medical Internet research 17. (2). JMIR Publications Inc.

Firdous Saleheen, Salvatore Giorgi, Zachary Smith, Joseph Picone, Chang-Hee Won (2015) Virtual Teaching Assistant for Electrical Engineering Science: Initial Study.

2014

Danilo Garcia, Henrik Anckarsäter, Oscar NE Kjell, Patricia Rosenberg, C Robert Cloninger, Trevor Archer, Sverker Sikström (2014) A Quantification of Agentic and Communal Values in Adolescents’ Life Narratives.

Salvatore Giorgi (2014) Adaptive Neural Control of a Gimbaled Laser Targeting System.

Maarten Sap, Gregory Park, Johannes Eichstaedt, Margaret Kern, David Stillwell, Michal Kosinski, Lyle Ungar, H. Andrew Schwartz (2014) Developing Age and Gender Predictive Lexica over Social Media. Association for Computational Linguistics pp. 1146--1151. Association for Computational Linguistics

Salvatore Giorgi (2014) ECE 8110 Machine Learning Midterm 2.

Margaret L Kern, Johannes C Eichstaedt, H Andrew Schwartz, Gregory Park, Lyle H Ungar, David J Stillwell, Michal Kosinski, Lukasz Dziurzynski, Martin EP Seligman (2014) From “Sooo excited!!!” to “So proud”: Using language to study development.. Developmental psychology 50. (1). pp. 178. American Psychological Association

Raina M Merchant, Yoonhee P Ha, Charlene A Wong, H Andrew Schwartz, Maarten Sap, Lyle H Ungar, David A Asch (2014) The 2013 US Government Shutdown (#Shutdown) and Health: An Emerging Role for Social Media. American journal of public health 104. (12). pp. 2248-2250. American Public Health Association

Danilo Garcia, Ali Al Nima, Oscar NE Kjell (2014) The affective profiles, psychological well-being, and harmony: environmental mastery and self-acceptance predict the sense of a harmonious life. PeerJ 2. pp. e259. PeerJ Inc.

Margaret L Kern, Johannes C Eichstaedt, H Andrew Schwartz, Lukasz Dziurzynski, Lyle H Ungar, David J Stillwell, Michal Kosinski, Stephanie M Ramones, Martin EP Seligman (2014) The online social self: An open vocabulary approach to personality. Assessment 21. (2). pp. 158-169. Sage Publications

H Andrew Schwartz, Johannes Eichstaedt, Margaret Kern, Gregory Park, Maarten Sap, David Stillwell, Michal Kosinski, Lyle Ungar (2014) Towards assessing changes in degree of depression through facebook. pp. 118-125

2013

H Andrew Schwartz, Johannes C Eichstaedt, Margaret L Kern, Lukasz Dziurzynski, Richard E Lucas, Megha Agrawal, Gregory J Park, Shrinidhi K Lakshmikanth, Sneha Jha, Martin EP Seligman, Lyle H Ungar (2013) Characterizing Geographic Variation in Well-Being Using Tweets.. 13. pp. 583-591

H Andrew Schwartz, Johannes Eichstaedt, Eduardo Blanco, Lukasz Dziurzynski, Margaret Kern, Stephanie Ramones, Martin Seligman, Lyle Ungar (2013) Choosing the right words: Characterizing and reducing error of the word count approach. pp. 296-305

Lauri Nummenmaa, Heini Saarimäkia, Enrico Glereana, Athanasios Gotsopoulosa, Iiro P Jääskeläinena, Riitta Harib, Mikko Samsa, Enrico Glerean, Riitta Hari, Jari K Hietanen, HA Schwartz, JC Eichstaedt, ML Kern, L Dziurzynski, SM Ramones (2013) Ekman, Paul (2007). Emotions Revealed. Recognizing faces and feelings to improve communication and emotional life. New York: Holt Paper-back, Montgomery, Arlene (2013) Neurobiology Essentials for Clinicians. What every therapist needs to know, New York, London, WW Nor.

Oscar Kjell, Kate Hefferon, Danilo Garcia, Sverker Sikström (2013) Enhancing Environmental and Social Sustainability: Harmony with life as a Complement to Satisfaction with Life.

Oscar NE Kjell, Sam Thompson (2013) Exploring the impact of positive and negative emotions on cooperative behaviour in a Prisoner’s Dilemma Game. PeerJ 1. pp. e231. PeerJ Inc.

Oscar NE Kjell, Ali A Nima, Sverker Sikström, Trevor Archer, Danilo Garcia (2013) Iranian and Swedish adolescents: differences in personality traits and well-being. PeerJ 1. pp. e197. PeerJ Inc.

H Andrew Schwartz, Johannes C Eichstaedt, Margaret L Kern, Lukasz Dziurzynski, Stephanie M Ramones, Megha Agrawal, Achal Shah, Michal Kosinski, David Stillwell, Martin EP Seligman, Lyle H Ungar (2013) Personality, gender, and age in the language of social media: The open-vocabulary approach. PloS one 8. (9). pp. e73791. Public Library of Science

Oscar Kjell, Danilo Garcia, Sverker Sikström (2013) Semantic Quantifications of Word-associations to'Happiness' Predict Satisfaction-Not Emotional Well-Being.

Danilo Garcia, Oscar Kjell, Sverker Sikström (2013) The Dark Triad: Happiness and Words Related to Happiness.

Danilo Garcia, Oscar Kjell, Sverker Sikström (2013) The Happy Update: Self-reported Happiness Linked to Semantic Representations of Status Updates in Facebook.

H Andrew Schwartz, Johannes C Eichstaedt, Lukasz Dziurzynski, Margaret L Kern, Eduardo Blanco, Michal Kosinski, David Stillwell, Martin EP Seligman, Lyle H Ungar (2013) Toward Personality Insights from Language Exploration in Social Media.. AAAI spring symposium: analyzing microtext 162

H Andrew Schwartz, Johannes C Eichstaedt, Lukasz Dziurzynski, Margaret L Kern, Eduardo Blanco, Michal Kosinski, David Stillwell, Martin EP Seligman, Lyle H Ungar (2013) TowardPersonalityInsightsfromLanguageExplorationinSocialMedia. ProceedingsoftheAAAISpringSymposiumSeries

Carlos Wilfredo Funes Moreno, Oscar Kjell, Ann-Christine Andersson-Arntén, Sverker Sikström, Trevor Archer, Danilo Garcia (2013) Work Climate and Virtues Predict Positive Emotions and Performance at Call Centers.

2012

Salvatore Giorgi, Firdous Saleheen, Frank Ferrese, Chang-Hee Won (2012) Adaptive neural replication and resilient control despite malicious attacks. IEEE pp. 112-117. IEEE

Hansen A Schwartz, Fernando Gomez (2012) Evaluating semantic metrics on tasks of concept similarity. IGI Global Scientific Publishing pp. 324-340. IGI Global Scientific Publishing

H Andrew Schwartz, Fernando Gomez, Lyle Ungar (2012) Improving supervised sense disambiguation with web-scale selectors. pp. 2423-2440

Adam Kapelner, Krishna Kaliannan, H Andrew Schwartz, Lyle Ungar, Dean Foster (2012) New insights from coarse word sense disambiguation in the crowd. pp. 539-548

Sneha Jha, H Andrew Schwartz, Lyle Ungar (2012) Penn: using word similarities to better estimate sentence similarity. pp. 679-683

MSLS Christopher Weeg, H Andrew Schwartz, Shawndra Hill, Raina M Merchant, Catalina Arango, Lyle Ungar (2012) Using Twitter to Measure Public Discussion of Diseases: A Case Study.

2011

Oscar NE Kjell (2011) Sustainable well-being: A potential synergy between sustainability and well-being research. Review of General Psychology 15. (3). pp. 255-266. SAGE Publications

Hansen A Schwartz (2011) The Acquisition Of Lexical Knowledge From The Web For Aspects Of Semantic Interpretation.

H Andrew Schwartz, Fernando Gomez (2010) Ucf-ws: Domain word sense disambiguation using web selectors. pp. 392-395

2009

H Andrew Schwartz, Fernando Gomez (2009) Acquiring applicable common sense knowledge from the web. pp. 1-9

Oscar Kjell, David Groome (2009) Attentional Control in the Asymmetry of Stroop-like pitch and colour paradigms.

Jane T Malin, Christopher Millward, Hansen A Schwartz, Fernando Gomez, David R Throop, Carroll Thronesbery (2009) Linguistic text mining for problem reports. IEEE pp. 1578-1583. IEEE

H Andrew Schwartz, Fernando Gomez (2009) Using web selectors for the disambiguation of all words. pp. 28-36

2008

Hansen Andrew Schwartz, Fernando Gomez, Christopher Millward (2008) A Semantic Feature for Verbal Predicate and Semantic Role Labeling Using SVMs.. pp. 213-218

H Andrew Schwartz, Fernando Gomez (2008) Acquiring knowledge from the web to be used as selectors for noun sense disambiguation. pp. 105-112

2006

Hansen Schwartz (2006) Evolving Chord Progressions as Neural Networks.

1810

Sven Buechel, João Sedoc, H Andrew Schwartz, Lyle H Ungar (1810) Learning neural emotion analysis from 100 observations: The surprising effectiveness of pre-trained word representations. CoRR, abs

0

Oscar Kjell, Edward Diener (0000) Abbreviated Three-Item Versions of the Satisfaction with Life Scale and the Harmony in Life Scale Yield Improved Psychometric Properties. OSF OSF

August Nilsson, J Malte Runge, Oscar Kjell, Adithya Ganesan, Carl Nilsson (0000) Automatic implicit motives codings are as accurate as humans’ and 99% faster. OSF OSF

Salvatore Giorgi, João Sedoc, Abhay Singh, Oscar Kjell, Soojin Lee, Lyle Ungar (0000) ChatbotLab: An Open Framework for Human-Like Chatbot Interaction and Survey Data Collection. OSF OSF

Salvatore Giorgi, H Andrew Schwartz, Jaymie R Meliker, SalvatoreGiorgi JohannesCEichstaedt, H AndrewSchwartz (0000) Danielle Levanti, Rebecca N Monastero, Mohammadzaman Zamani, Johannes C Eichstaedt.

Marc Sparhuber, Veerle Eijsbroek, Katarina Kjell, Salvatore Giorgi, Oscar Kjell (0000) Evidence of limited biases in probed language-based assessments. OSF OSF

H Andrew Schwartz, Johannes C Eichstaedt (0000) Oscar Kjell Department of Psychology, Lund University Salvatore Giorgi Department of Computer and Information Science, University of Pennsylvania. World Happiness Report 2023 pp. 131

Wu Youyou, David Stillwell, H Andrew Schwartz, Michal Kosinski (0000) PERSONALITY SIMILARITY.

Gregory Park, Johannes C Eichstaedt, H Andrew Schwartz, Margaret L Kern, Lukasz Dziurzynski, Megha Agrawal, Shrinidhi K Lakshmikanth, Sneha Jha, Martin EP Seligman, Lyle H Ungar, H Andrew, EP Seligman (0000) Predicting and characterizing county wellbeing through the language of social media.

Jeremy DW Clifton, Joshua D Baker, Crystal L Park, David B Yaden, Alicia BW Clifton, Paolo Terni, Jessica L Miller, Guang Zeng, Salvatore Giorgi, H Andrew Schwartz, Martin EP Seligman (0000) Primals Inventory. Psychological Assessment

Aaron Marker, Salvatore Giorgi, Adithya V Ganesan, Vasudha Varadarajan, Ojas Deshpande, Laura Brandt, Gabriel Odom, H Andrew Schwartz (0000) Quantifying Error Disparities in Population Health Models.

Oscar Kjell, Adithya Ganesan, Ryan Boyd, Joshua Oltmanns, Alfredo Rivero, Scott Feltman, Melissa Carr, Benjamin Luft, Roman Kotov, H Schwartz (0000) Replicability and Validity of a New AI Assessment of PTSD from Patient Language: A Sequential Evaluation with Model Pre-registration. OSF OSF

Lyle Ungar, Steven Skiena, H Andrew Schwartz (0000) RESEARCH ARTICLE Latent human traits in the language of social media: An open-vocabulary approach Vivek KulkarniID1, Margaret L. Kern2, David Stillwell3, Michal Kosinski4, Sandra Matz5.

Brenda Curtis, Salvatore Giorgi, Lyle Ungar, Huy Vu, David Yaden, Tingting Liu, Kenna Yadeta, H Andrew Schwartz (0000) Supplemental Material for: AI-based Analysis of Social Media Language Predicts Addiction Treatment Dropout at 90 Days.

Salvatore Giorgi, David B Yaden, Johannes C Eichstaedt, Lyle H Ungar, H Andrew, Amy Kwarteng Schwartz, Brenda Curtis (0000) Supplementary Material for “Predicting US County Opioid Poisoning Mortality From Multi-Modal Social Media and Psychological Self-Report Data”.

Elizabeth C Stade, Philip Held, H Andrew Schwartz, Shannon Wiltsey Stirman, Johannes C Eichstaedtl (0000) This manuscript is currently under review. A Framework for Evidence-Based Psychotherapy with AI (EBP-AI).

Swanie Juhng, Siddharth Mangalik, Connor Lawhead, Daniel N Klein, H Schwartz (0000) Towards an Explainable Longitudinal Representation Learning for Organizing Trajectories of Adolescent Mental Health Onset.

Elisa Xu, Scott Feltman, Siddharth Mangalik, Whitney Ringwald, Roman Kotov, Aprajita Mohanty, H Schwartz (0000) Using LLMs to Evaluate the Interplay Between PTSD Symptom Severity and Intolerance to Uncertainty: A Large-scale EMA Study. OSF OSF

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