Publications

Underline denotes graduate student author and *asterisk and underline denotes undergraduate student author under Dr. Sin’s supervision

  1. Keskin, G., Sin, N. L., & Lougheed, J. P. (accepted). Conflict Interactions and Negative and Positive Affect in Parent-Adolescent Dyads’ Daily Lives. Emotion.
  2. Grocott, B., Morstead, T., Sin, N. L., DeLongis, A., & LeMoult, J. (accepted). Reciprocal Longitudinal Associations of Loneliness and Perceived Stress: A Random Intercept Cross-Lagged Panel Model. Emotion.
  3. Wilbur, K., Awotunde, A. F., Bolt, J., Crozier, P., Dahri, K., de Graaf, S., Firus, K., Haase, K. R., Inglis, C., Kitchin, V., Louie, T., Rauscher, C., Sihoe, A., Sin, N. L., Villanyi, D., Wilson, D., & Wong, K. L. Y. (In press). Comprehensive Geriatric Assessment by Primary Care Pharmacists. Journal of Applied Gerontology. https://doi.org/10.1177/07334648251394763
  4. *Huang, O. C., Stuart, N. S., Morstead, T., DeLongis. A., & Sin, N. L. (in press). Daily interpersonal tensions as predictors of threats to communion and agency, coping, and perceived coping efficacy: Role of adverse childhood experiences. Anxiety, Stress, & Health. https://doi.org/10.1080/10615806.2025.2579952 [Preregistration]
  5. Morstead, T., Loo, N., Sin, N. L., & DeLongis, A. (2025). COVID-19 hoax belief endorsement and its implications for vaccine uptake: Investigating the role of perceived threat. Vaccine, 63, 127630.  https://doi.org/10.1016/j.vaccine.2025.127630
  6. Keskin, G., Sin, N. L., & Lougheed, J. P. (2025). Parental Psychological Needs, Parenting Practices, and Adolescent Internalizing Mood in Daily Life. Journal of Family Psychology, 39(6), 861–872. https://doi.org/10.1037/fam0001375 [Preprint | Preregistration]
    — Selected as an Editor’s Choice article at the Journal of Family Psychology —
  7. *Hammond, D., Ong, L. Q., Morstead, T., DeLongis, A., Sin, N. L., & Klaiber, P. (in press). Optimism and depressive symptoms in an adult lifespan sample: Evaluating coping in daily life as a mechanism. Psychology & Health, 1–16. https://doi.org/10.1080/08870446.2025.2505909 [Data and code]
  8. Wolk, M. E., Ong, L. Q., Sin, N. L., Burrow, A. L., Pfund, G. N., & Hill, P. L. (2025). Discrimination in Daily Life: Effects on Sense of Purpose and Derailment. Current Psychology, 44, 11210–11218. https://doi.org/10.1007/s12144-025-07944-3 [Preregistered]
  9. Morstead, T., Sin, N. L., & DeLongis, A. (2025). Dynamics of Perceived Threat and Media Exposure during the COVID-19 Pandemic. Social Science & Medicine – Mental Health, 7, 100394. https://doi.org/10.1016/j.ssmmh.2025.100394
  10. Lougheed, J. P., Loveridge, C. F., Keskin, G., & Sin, N. L. (2025). Associations between caregiver‐adolescent emodiversity and internalizing symptoms. Journal of Research on Adolescence, 35(1), e13041. http://doi.org/10.1111/jora.13041 [Preregistration | Data and Code]
  11. Stuart, N. S., Wen, J., H., Klaiber, P., Puterman, E., DeLongis, A., & Sin, N. L. (2024). Stressors and subjective cognition in daily life: Tests of physical activity and age as moderators. Psychosomatic Medicine, 86, 681–689. DOI: 10.1097/PSY.0000000000001338 [Preregistered]
  12. Klaiber, P., van Roekel, E., DeLongis, A., & Sin, N. L. (2024). From the COVID-19 lockdown to the new normal: Two-year changes in daily stress and positive event processes. Stress and Health, 40, e3423. https://doi.org/10.1002/smi.3423
  13. Morstead, T., Rashidi, R., Zheng, J., Sin, N. L., & DeLongis, A. (2024). Personality as a Predictor of Changes in Perceived Availability of Social Support during the COVID-19 Pandemic. Personality and Individual Differences, 226, 112708. https://doi.org/10.1016/j.paid.2024.112708
  14. Wen, J. H., Klaiber, P., Leger, K. A., Hill, P. L., Pfund, G. N., Slavish, D. C., DeLongis, A., & Sin, N. L. (2024). Nightly sleep predicts next-morning expectations for stress and positive experiences. Psychosomatic Medicine, 86(4), 261–271. DOI: 10.1097/PSY.0000000000001303 [Preregistered]
  15. Morstead, T., Rights, J. D., Sin, N. L., & DeLongis, A. (2024). Predictors of complicated grief during the COVID-19 pandemic: A cross-classified analysis. OMEGA – Journal of Death and Dying. https://doi.org/10.1177/00302228241239698
  16. Hill, P. L., Morstead, T., Pfund, G. N., Burrow, A. L., DeLongis, A., & Sin, N. L. (2024). Examining changes in sense of purpose before, during, and after COVID-19 vaccination. Vaccine, 42(5), 1087-1093. DOI: 10.1016/j.vaccine.2024.01.028 [preregistered]
  17. Klaiber, P., Hill, P. L., Almeida, D. M., DeLongis, A., & Sin, N. L. (2024). Positive event diversity: Relationships with personality and well-being. Journal of Personality, 92, 1616–1631. DOI: 10.1111/jopy.12917 [preregistered]
  18. Klaiber, P., & Sin, N. L. (2024). Uplifts in daily life. In S. D. Pressman & A. C. Parks (Eds.), More Activities for Teaching Positive Psychology: A Guide for Instructors. Washington, DC: American Psychological Association.
  19. *Mezuk, B., *Sin, N. L., *Stanton, M.V., *Szabo, Y. Z., *Tomiyama, A. J., & *White, K. E. (2023). The American Psychosomatic Society Antiracism Task Force: Implementation, activities, and lessons learned. Psychosomatic Medicine, 85(6), 466-473. https://www.doi.org/10.1097/PSY.0000000000001222 
    *all authors contributed equally and are listed in alphabetical order
  20. Kircher, J. A., Charles, S. T., Sin, N. L., & Almeida, D. M. (2023). Chronic pain and affective experiences associated with daily stressors and uplifts. International Journal of Applied Positive Psychology, 8, 485–500. https://doi.org/10.1007/s41042-023-00101-w
  21. Morstead, T., Zheng, J., Sin, N. L., & DeLongis, A. (2022). Perceived threat and coping responses during the COVID-19 pandemic: Prospective associations with vaccine hesitancy. Vaccine, 40(52), 7586-7592. DOI: 10.1016/j.vaccine.2022.10.081
  22. McDonough, I. M., Erwin, H. B., Sin, N. L., & Allen, R. S. (2022). Pet ownership is associated with greater cognitive and brain health in an adult lifespan sample. Frontiers in Aging Neuroscience, 14, 953889. DOI: 10.3389/fnagi.2022.953889 [preregistered]
  23. Sin, N. L. & Ong, L. Q. (2022). Considerations for advancing the conceptualization of well-being. Affective Science, 4, 45-48. DOI: 10.1007/s42761-022-00149-y
  24. Ong, L. Q., Klaiber, P., DeLongis, A., & Sin, N. L. (2022). Day-to-day associations of everyday discrimination with affect and physical symptoms during the COVID-19 pandemic. Health Psychology, 41(11), 843-852. DOI: 10.1037/hea0001242 [preregistered]
  25. Pfund, G. N., DeLongis, A., Sin, N., Morstead, T., & Hill, P. L. (2022). Being active for a purpose: Evaluating the bi-directional associations between monthly purpose and physical activity. Social Science & Medicine, 310, 115300. https://doi.org/10.1016/j.socscimed.2022.115300 [preregistered]
  26. Morstead, T., Zheng, J., Sin, N. L., Rights, J., & DeLongis, A. (2022). Pandemic stressors and depressive symptoms: Examining within- and between-person effects of neuroticism. Personality and Individual Differences, 198, 111827. https://doi.org/10.1016/j.paid.2022.111827
  27. Wen, J. H., & Sin, N. L. (2022). Perceived control and reactivity to acute stressors: Variations by age, race, and facets of control. Stress and Health, 38(3),419-434. https://doi.org/10.1002/smi.3103 [PDF]
    — This research was awarded the Gerontological Society of America’s Behavioral and Social Sciences Student Research Award (Pre-Dissertation Level) —
  28. Hill, P. L., Klaiber, P., Burrow, A. L., DeLongis, A. & Sin, N. L. (2022). Purposefulness and daily life in a pandemic: Predicting daily affect and physical symptoms during the first weeks of the COVID-19 response. Psychology and Health, 37(8), 985-1001. https://doi.org/10.1080/08870446.2021.1914838 [PDF]
  29. Klaiber, P., Wen, J. H., Ong, A. D., Almeida, D. M., & Sin, N. L. (2022). Personality differences in engagement and responsiveness to daily positive events. Journal of Personality, 90, 441– 456. https://doi.org/10.1111/jopy.12676 [PDFData | Code]
  30. *Ying, F., Wen, J. H., Klaiber, P., DeLongis, A., Slavish, D. C., & Sin, N. L. (2022). Associations between intraindividual variability in sleep and daily positive affect. Affective Science, 3, 330-340. https://doi.org/10.1007/s42761-021-00082-6 [Datasets, Code, & Materials]
  31. Morstead, T., Zheng, J., Sin, N. L., King, D. B., & DeLongis, A. (2022). Adherence to recommended preventive behaviors during the COVID-19 pandemic: The role of empathy and perceived health threat. Annals of Behavioral Medicine, 56(4), 381-392. https://doi.org/10.1093/abm/kaab107
  32. Hill, P. L., Klaiber, P., Burrow, A. L., DeLongis, A. & Sin, N. L. (2022). Great, purposeful expectations: Predicting daily purposefulness during the COVID-19 response. Journal of Positive Psychology, 17(1), 89-101. https://doi.org/10.1080/17439760.2020.1832251
  33. Hill, P. L., Sin, N. L., Almeida, D. M., & Burrow, A. L. (2022). Sense of purpose predicts daily positive events and attenuates their influence on positive affect. Emotion, 22(3), 597-602. https://doi.org/10.1037/emo0000776 [PMC Full Text]
  34. Wen, J. H., Klaiber, P., DeLongis, A., Slavish, D. C., & Sin, N. L. (2021). Day-to-day associations of sleep with health and well-being amid the COVID-19 pandemic in North America. Sleep Health, 7(6), 666-674. https://doi.org/10.1016/j.sleh.2021.09.007 [preregistration]
  35. Hill, P. L., Sin, N. L., Edmonds, G. W., & Burrow, A. L. (2021). Associations between everyday discrimination and sleep: Tests of moderation by ethnicity and sense of purpose. Annals of Behavioral Medicine, 55(12), 1246-1252. https://doi.org/10.1093/abm/kaab012 [PMC Full Text]
  36. Sin, N. L., Rush, J., Buxton, O. M., & Almeida, D. M. (2021). Emotional vulnerability to short sleep predicts increases in chronic health conditions across 8 years, 55(12), 1231–1240. Annals of Behavioral Medicine. https://doi.org/10.1093/abm/kaab018
    — Selected as an Editor’s Choice article at Annals of Behavioral Medicine —
  37. Zheng, J., Morstead, T., Sin, N., Klaiber, P., Umberson, D., Kamble, S., & DeLongis, A. (2021). Psychological distress in North America during COVID-19: The Role of Pandemic-Related Stressors. Social Science and Medicine, 270, 113687. https://doi.org/10.1016/j.socscimed.2021.113687
  38. Sin, N. L., Klaiber, P., Wen, J. H., & DeLongis, A. (2021). Helping amid the pandemic: Daily affective and social implications of COVID-19-related prosocial activities. The Gerontologist, 61(1), 59-70. https://doi.org/10.1093/geront/gnaa140 [preregistered]
  39. Klaiber, P., Wen, J. H., DeLongis, A., & Sin, N. L. (2021). The ups and downs of daily life during COVID-19: Age differences in affect, stress, and positive events. The Journals of Gerontology, Series B: Psychological Sciences and Social Sciences, 76(2), e30–e37. https://doi.org/10.1093/geronb/gbaa096
    — Awarded the Innovative Research on Aging Award (Bronze Award) from the Mather Institute —
  40. Slavish, D.C., Asbee, J., Veeramachaneni, K., Messman, B., Scott, B., Sin, N.L., Taylor, D.J. & Dietch, J.R. (2021). The cycle of daily stress and sleep: Sleep measurement matters. Annals of Behavioral Medicine, 55(5), 413-423. https://doi.org/10.1093/abm/kaaa053 [PMC Full Text]
  41. *Chi, K., Almeida, D. M., Charles, S. T., & Sin, N. L. (2021). Daily prosocial activities and well-being: Age moderation in two national studies. Psychology and Aging, 36(1), 83–95. https://doi.org/10.1037/pag0000460 [PMC Full Text]
  42. Sin, N. L., Wen, J. H., Klaiber, P., Buxton, O. M., & Almeida, D. M. (2020). Sleep duration and affective reactivity to stressors and positive events in daily life. Health Psychology, 39(12), 1078–1088. https://doi.org/10.1037/hea0001033 [PMC Full Text]
  43. Jones, D. R., Smyth, J. M., Engeland, C. G., Sliwinski, M. J., Russell, M., Sin, N. L., Almeida, D. M., & Graham-Engeland, J. E. (2020). Affect variability and inflammatory markers in midlife adults. Health Psychology, 39(8), 655–666. https://doi.org/10.1037/hea0000868 [PMC Full Text]
  44. Wen, J. H., Lyubomirsky, S., & Sin, N. L. (2020). Positive activity interventions targeted to improve depressive symptoms. In Donaldson, S. I., Csikszentmihalyi, M., & Nakamura, J. (Eds.), Positive Psychological Science (2nd ed.). New York: Routledge. https://doi.org/10.4324/9780203731833 [PDF]
  45. Graham-Engeland, J. E., Sin, N. L., Smyth, J. M., Jones, D., Knight, E. L., Sliwinski, M. J., Almeida, D. M., Katz, M. J., Lipton, R. B., & Engeland, C.G. (2018). Negative and positive affect as predictors of inflammation: Timing matters. Brain, Behavior, and Immunity, 74, 222-230. DOI: 10.1016/j.bbi.2018.09.011 [PMC Full Text]
  46. Hill, P. L., Sin, N. L., Turiano, N. A., Burrow, A. L., & Almeida, D. M. (2018). Sense of purpose moderates the associations between daily stressors and daily well-being. Annals of Behavioral Medicine, 52, 724-729. DOI: 10.1093/abm/kax039 
  47. Otto, L., Sin, N. L., Almeida, D. M., & Sloan, R. P. (2018). Trait emotion regulation strategies and diurnal cortisol profiles in healthy adults. Health Psychology, 37, 301-305. DOI: 10.1037/hea0000564 [PMC Full Text]
  48. Sin, N. L., & Almeida, D. M. (2018). Daily positive experiences and health: Biobehavioral pathways and resilience to daily stress. In C. D. Ryff & R. F. Krueger (Eds.), Oxford Handbook of Integrative Health Science. New York: Oxford University Press. DOI: 10.1093/oxfordhb/9780190676384.013.10 [PDF]
  49. Ong, A. D., Sin, N. L., & Ram, N. (2018). Distinguishing between fragile and enduring positive affect: Implications for health and well-being in midlife. In C. D. Ryff & R. F. Krueger (Eds.), Oxford Handbook of Integrative Health Science. New York: Oxford University Press. DOI: 10.1093/oxfordhb/9780190676384.013.35 [PDF]
  50. Sin, N. L., Ong, A. D., Stawski, R. S., & Almeida, D. M. (2017). Daily positive events and diurnal cortisol rhythms: Examination of between-person differences and within-person variation. Psychoneuroendocrinology, 83, 91-100. DOI: 10.1016/j.psyneuen.2017.06.001 [PMC Full Text]
  51. Sin, N. L., Almeida, D. M., Crain, T. L., Kossek, E. E., Berkman, L. F., & Buxton, O. M. (2017). Bidirectional, temporal associations of sleep with positive events, emotions, and stressors in daily life across a week. Annals of Behavioral Medicine, 51(3), 402-415. DOI: 10.1007/s12160-016-9864-y
  52. Sin, N. L. (2016). The protective role of positive well-being in cardiovascular disease: Review of current evidence, mechanisms, and clinical implications. Current Cardiology Reports, 18(11), 106. DOI: 10.1007/s11886-016-0792-z
  53. Sin, N. L., Sloan, R. P., McKinley, P. S., & Almeida, D. M. (2016). Linking daily stress processes and laboratory-based heart rate variability in a national sample of midlife and older adults. Psychosomatic Medicine, 78(5), 573-582. DOI: 10.1097/PSY.0000000000000306 [PMC Full Text]
  54. Sin, N. L., Kumar, A. D., Gehi, A. K., & Whooley, M. A. (2016). Direction of association between depressive symptoms and lifestyle behaviors among patients with coronary heart disease: The Heart and Soul Study. Annals of Behavioral Medicine, 50(4), 523-532. DOI: 10.1007/s12160-016-9777-9 [PMC Full Text]
  55. Sin, N. L., Graham-Engeland, J. E., Ong, A., D., & Almeida, D. M. (2015). Affective reactivity to daily stressors is associated with elevated inflammation. Health Psychology, 34(12), 1154–1165DOI: 10.1037/hea0000240 [PMC Full Text]
  56. Sin, N. L., Moskowitz, J. T., & Whooley, M. A. (2015). Positive affect and health behaviors across 5 years in patients with coronary heart disease: The Heart and Soul Study. Psychosomatic Medicine, 77(9), 1058-1066. DOI: 10.1097/PSY.0000000000000238 [PMC Full Text]
  57. Sin, N. L., Graham-Engeland, J. E., & Almeida, D. M. (2015). Daily positive events and inflammation: Findings from the National Study of Daily Experiences. Brain, Behavior, and Immunity, 43, 130–138. DOI: 10.1016/j.bbi.2014.07.015 [PMC Full Text]
  58. Sin, N. L., Yaffe, K., & Whooley, M. A. (2015). Depressive symptoms, cardiovascular disease severity, and functional status in older adults with coronary heart disease: The Heart and Soul Study. Journal of the American Geriatrics Society, 63(1), 8–15. DOI: 10.1111/jgs.13188 [PMC Full Text]
  59. Jarvie, J. L., Whooley, M. A., Regan, M. C., Sin, N. L., & Cohen, B. E. (2014). Effect of physical activity level on inflammation and insulin resistance in outpatients with coronary heart disease across 5 years: Results from the Heart and Soul Study. American Journal of Cardiology, 114(8), 1192-1197. DOI: 10.1016/j.amjcard.2014.07.036 [PMC Full Text]
  60. Sin, N. L., & DiMatteo, M. R. (2014). Depression treatment enhances adherence to antiretroviral therapy: A meta-analysis. Annals of Behavioral Medicine, 47(3), 259–269. DOI: 10.1007/s12160-013-9559-6 [PMC Full Text]
  61. Wong, J. M., Sin, N. L., & Whooley, M. A. (2014). A comparison of Cook-Medley hostility subscales and mortality in patients with coronary heart disease: Data from the Heart and Soul Study. Psychosomatic Medicine, 76(4), 311–317. DOI: 10.1097/PSY.0000000000000059 [PDF]
  62. Eberhart, N. K., Sherbourne, C. D., Edelen, M. O., Stucky, B. D., Sin, N. L., & Lara, M. (2014). Development of a measure of asthma-specific quality of life among adults. Quality of Life Research, 23(3), 837–848. DOI: 10.1007/s11136-013-0510-x [PMC Full Text]
  63. DiMatteo, M. R., & Sin, N. L. (2011). Family involvement in health care regimen. In M. Craft-Rosenberg & Shelley-Rae Pehler (Eds.), Encyclopedia of family health. New York: Sage. [PDF]
  64. Sin, N. L., Della Porta, M. D., & Lyubomirsky, S. (2011). Tailoring positive psychology interventions to treat depressed individuals. In Donaldson, S. I., Csikszentmihalyi, M., & Nakamura, J. (Eds.), Applied positive psychology: Improving everyday life, schools, work, health, and society. New York: Routledge. [PDF]
  65. Sin, N. L., Jacobs, K. M., & Lyubomirsky, S. (2011). House and happiness: A differential diagnosis. In L. L. Martin & T. Cascio (Eds.), House and psychology. New York: Wiley. [PDF]
  66. Sin, N. L., & Lyubomirsky, S. (2009). Enhancing well-being and alleviating depressive symptoms with positive psychology interventions: A practice-friendly meta-analysis. Journal of Clinical Psychology, 65(5), 467–487. DOI: 10.1002/jclp.20593
    Reprinted in: F. Huppert & A. Linley (Eds.), Happiness and well-being: Critical concepts in psychology. New York: Routledge.
  67. Lyubomirsky, S., & Sin, N. L. (2009). Positive affectivity and interpersonal relationships. In H. Reis & S. Sprecher (Eds.), Encyclopedia of human relationships. New York: Sage. [PDF]