Below is a selected list of some of Dr. Twenge’s 100+ scientific journal publications. Some of the links are to the full text; in other cases only the citation and abstract are online due to the journal’s copyright restrictions. Those articles can be obtained via college libraries or purchased from the journal. Much of this research is also presented in iGen, Generation Me, and The Narcissism Epidemic.

Twenge, J. M., & Cooper, A. B. (2021). The expanding class divide in happiness in the United States, 1972-2016. Emotion.

Twenge, J. M., & Blake, A. B. (2021). Increased support for same-sex marriage in the U.S.: Disentangling age, period, and cohort effects. Journal of Homosexuality.

Twenge, J. M., Konrath, S. H., Cooper, A. B., Foster, J. D., Campbell, W. K., & McAllister, C. (2021). Egos deflating with the Great Recession: A cross-temporal meta-analysis and within-campus analysis of the Narcissistic Personality Inventory, 1982-2016. Personality and Individual Differences, 179, 110947.

Twenge, J. M., & Farley, E. (2021). Not all screen time is created equal: Associations with mental health vary by activity and gender. Social Psychiatry and Psychiatric Epidemiology, 56, 207-217.

Twenge, J. M., & Joiner, T. E. (2020). U.S. Census Bureau-assessed prevalence of anxiety and depressive symptoms in 2019 and during the 2020 COVID-19 pandemic. Depression and Anxiety, 37, 954-956.

Hisler, G. C., Hasler, B. P., Franzen, P. L., Clark, D. B., & Twenge, J. M. (2020). Screen media use and sleep disturbance symptom severity in children. Sleep Health, 6, 731-742.

Twenge, J. M., Haidt, J., Joiner, T. E., & Campbell, W. K. (2020). Underestimating digital media harm. Nature Human Behavior, 4, 346-348.

Twenge, J. M., & Joiner, T. E. (2020). Mental distress among U.S. adults during the COVID-19 pandemic. Journal of Clinical Psychology, 76, 2170-2182.

Twenge, J. M., & Spitzberg, B. H. (2020). Declines in non-digital social interaction among Americans, 2003-2017. Journal of Applied Social Psychology, 50, 363-367.

Twenge, J. M. (2020). Possible reasons Americans are not having sex as much as they used to. JAMA Network Open, 3(6), pp. e203889.

Hisler, G., Twenge, J. M., & Krizan, Z. (2020). Associations between screen time and short sleep duration among adolescents varies by media type: Evidence from a cohort study. Sleep Medicine, 66, 92-102.

Twenge, J. M. (2020). Increases in depression, self-harm, and suicide among U.S. adolescents after 2012 and links to technology use: Possible mechanisms. Psychiatric Research & Clinical Practice.

Twenge, J. M., & Martin, G. N. (2020). Gender differences in associations between digital media use and psychological well-being: Evidence from three large datasets. Journal of Adolescence, 79, 91-102.

Twenge, J. M., Joiner, T. E., Rogers, M. L., & Martin, G. N. (2020). Considering all of the data on digital media use and depressive symptoms: Response to Ophir et al. Clinical Psychological Science, 6, 456-457.

Twenge, J. M., Blake, A. B., Haidt, J., & Campbell, W. K. (2020). Commentary: Screens, teens, and psychological well-being: Evidence from three time-use-diary studies. Frontiers in Psychology.

Twenge, J. M. (2020). Why increases in adolescent depression may be linked to the technological environment. Current Opinion in Psychology, 32, 89-94.

Duffy, M. E., Twenge, J. M., & Joiner, T. E. (2019). Trends in mood and anxiety symptoms and suicide-related outcomes among US undergraduates, 2007-2018: Evidence from two national surveys. Journal of Adolescent Health, 65, 590-598.

Twenge, J. M., Campbell, W. K., & Sherman, R. A. (2019). Declines in vocabulary among American adults within levels of educational attainment, 1974-2016. Intelligence, 76, 101377.

Grubbs, J. B, Exline, J. J., Campbell, W. K., McCain, J., & Twenge, J. M. (2019). Emerging adult reactions to labeling regarding age-group differences in narcissism and entitlement. PLoS ONE, 0215637.

Twenge, J. M. (2019). More time on technology, less happiness? Associations between digital media use and psychological well-being. Current Directions in Psychological Science, 28, 372-379.

Twenge, J. M., Martin, G. N., & Spitzberg, B. H. (2019). Trends in U.S. adolescents’ media use, 1976-2016: The rise of digital media, the decline of TV, and the (near) demise of print. Psychology of Popular Media Culture, 8, 329-345.

Twenge, J. M., & Park, H. (2019). The decline in adult activities among U.S. adolescents, 1976-2016. Child Development, 90, 638-654

Twenge, J. M., & Campbell, W. K. (2019). Digital media use is linked to lower psychological well-being: Evidence from three datasets. Psychiatric Quarterly, 90, 311-331.

Twenge, J. M., Spitzberg, B. H., & Campbell, W. K. (2019). Less in-person social interaction with peers among U.S. adolescents in the 21st century and links to loneliness. Journal of Social and Personal Relationships, 36, 1892-1913.

Twenge, J. M., Hisler, G. C., & Krizan, Z. (2019). Associations between screen time and sleep duration are primarily driven by portable electronic devices: Evidence from a population-based study of U.S. children ages 0 to 17. Sleep Medicine, 56, 211-218.

Twenge, J. M., Cooper, A. B., Joiner, T. E., Duffy, M. E., & Binau, S. G. (2019). Age, period, and cohort trends in mood disorder indicators and suicide-related outcomes in a nationally representative dataset, 2005-2017. Journal of Abnormal Psychology, 128, 185-199.

Twenge, J. M., & Campbell, W. K. (2018). Associations between screen time and lower psychological well-being among children and adolescents: Evidence from a population-based study. Preventative Medicine Reports, 12, 271-283.

Twenge, J. M., Martin, G. N., & Campbell, W. K. (2018). Decreases in psychological well-being among American adolescents after 2012 and links to screen time during the rise of smartphone technology. Emotion, 18, 765-780.

Twenge, J. M., & Campbell, W. K. (2018). Cultural individualism is linked to later onset of adult-role responsibilities across time and regions. Journal of Cross-Cultural Psychology, 49, 673-682.

Twenge, J. M., Krizan, Z., & Hisler, G. (2017). Decreases in self-reported sleep duration among U.S. adolescents 2009-2015 and links to new media screen time. Sleep Medicine, 39, 47-53.

Twenge, J. M., Joiner, T. E., Rogers, M. L., & Martin, G. N. (2018). Increases in depressive symptoms, suicide-related outcomes, and suicide rates among U.S. adolescents after 2010 and links to increased new media screen time. Clinical Psychological Science, 6, 3-17.

Twenge, J. M., VanLandingham, H., & Campbell, W. K. (2017). The seven words you can never say on television: Increases in the use of swear words in American books 1950-2008. Sage Open.


Twenge, J. M., Sherman, R. A., & Wells, B. E. (2017). Declines in sexual frequency among American adults, 1989-2014. Archives of Sexual Behavior, 8, 2389-2401

Campbell, W. K., Twenge, J. M., & Carter, N. (2017). Support for marijuana (cannabis) legalization: Untangling age, period, and cohort effects. Collabra: Psychology, 3(1), 2.

Campbell, S. M., Campbell, W. K., & Twenge, J. M. (2017). Fuzzy but useful constructs: Making sense of the differences between generations. Work, Aging, and Retirement, 3, 130-139.

Twenge, J. M., Carter, N, T., & Campbell, W. K. (2017). Age, time period, and birth cohort differences in self-esteem: Reexamining a cohort-sequential longitudinal study. Journal of Personality and Social Psychology, 112, e9-e17.

Twenge, J. M., Sherman, R. A., & Wells, B. E. (2017). Sexual inactivity during young adulthood is more common among U.S. Millennials and iGen: Age, period, and cohort effects on having no sexual partners after age 18. Archives of Sexual Behavior, 46, 433-440.

Twenge, J. M., Dawson, L., & Campbell, W. K. (2016). Still standing out: Children’s names in the U.S. during the Great Recession and correlations with economic indicators. Journal of Applied Social Psychology, 46, 663-670.

Twenge, J.M., Honeycutt, N., Prislin, R., & Sherman, R. A. (2016). More polarized but more Independent: Political party identification and ideological self-categorization among U.S. adults, college students, and late adolescents, 1970-2015. Personality and Social Psychology Bulletin, 42, 1364-1383.

Twenge, J. M., & Donnelly, K. (2016). Generational differences in American students’ reasons for going to college, 1971-2014: The rise of extrinsic motives. Journal of Social Psychology, 156, 620-629.

Twenge, J. M., Sherman, R. A., & Wells, B. E. (2016). Changes in American adults’ reported same-sex sexual experiences and attitudes. Archives of Sexual Behavior, 45, 1713-1730.

Twenge, J. M., Sherman, R. A., Exline, J. J., & Grubbs, J. B. (2016). Declines in American adults’ religious participation and beliefs, 1972-2014. Sage Open, 1-13.

Donnelly, K., Twenge, J. M., Clark, M. A., Shaikh, S., Beiler-May, A., & Carter, N. T. (2016). Attitudes toward women’s work and family roles in the United States, 1976-2013. Psychology of Women Quarterly, 40, 41-54.

Twenge, J. M., Sherman, R. A., & Wells, B. E. (2015). Changes in American adults’ sexual behavior and attitudes. Archives of Sexual Behavior, 44, 2273-2285.

Twenge, J.M., Carter, N. T., & Campbell, W. K. (2015). Time period, generational, and age differences in tolerance for controversial beliefs and lifestyles in the U.S., 1972-2012. Social Forces, 94, 379-399.

Twenge, J. M., Exline, J. J., Grubbs, J. B., Sastry, R., & Campbell, W. K. (2015). Generational and time period differences in American adolescents’ religious orientation, 1966-2014. PlosOne, 10 (5): e0121454.

Twenge, J. M. (2015). Time period and birth cohort differences in depressive symptoms in the U.S., 1982-2013. Social Indicators Research, 121, 437-454.

Campbell, W. K., Campbell, S., Siedor, L. E., & Twenge, J. M. (2015). Generational differences are real and useful. Industrial and Organizational Psychology: Perspectives on Science and Practice, 8, 324-331.

Twenge, J. M., Campbell, W. K., & Carter, N. T. (2014). Declines in trust in others and confidence in institutions among American adults and late adolescents, 1972-2012. Psychological Science, 25, 1914-1923.

Park, H., Twenge, J. M., & Greenfield, P. M. (2014). The Great Recession: Implications for adolescent values and behavior. Social Psychological and Personality Science, 5, 310-318.

Twenge, J. M., & Kasser, T. (2013). Generational changes in materialism and work centrality, 1976-2007: Associations with temporal changes in societal insecurity and materialistic role-modeling. Personality and Social Psychology Bulletin. 39, 883-897.

Twenge, J. M., Campbell, W. K., & Gentile, B. (2013). Changes in pronoun use in American books and the rise of individualism, 1960-2008. Journal of Cross-Cultural Psychology, 44, 406-415.

Twenge, J. M., Campbell, W. K., & Gentile, B. (2012). Male and female pronoun use in U.S. books reflects women’s status, 1900-2008. Sex Roles, 67, 488-493.

Twenge, J. M., Campbell, W. K., & Gentile, B. (2012). Generational increases in agentic self-evaluations among American college students, 1966-2009. Self and Identity, 11, 409-427.

Twenge, J.M., Campbell, W.K., & Freeman, E. C. (2012). Generational differences in young adults’ life goals, concern for others, and civic orientation, 1966-2009. Journal of Personality and Social Psychology, 102, 1045-1062.

Twenge, J. M., Campbell, W. K., & Gentile, B. (2012). Increases in individualistic words and phrases in American books, 1960-2008. PLoS ONE, 7, e40181.

DeWall, C. N., Pond, R. S., Campbell, W. K., & Twenge, J. M. (2011). Tuning in to psychological change: Linguistic markers of psychological traits and emotions over time in popular U.S. song lyrics. Psychology of Aesthetics, Creativity, and the Arts, 5, 200-207.

Twenge, J. M., Campbell, S. M., Hoffman, B. R., & Lance, C. E. (2010). Generational differences in work values: Leisure and extrinsic values increasing, social and intrinsic values decreasing. Journal of Management, 36, 1117-1142.

Twenge, J. M. (2010). A review of the empirical evidence on generational differences in work attitudes. Journal of Business and Psychology, 25, 201-210.

Twenge, J. M., & Foster, J. D. (2010). Birth cohort increases in narcissistic personality traits among American college students, 1982-2009. Social Psychological and Personality Science, 1, 99-106.

Twenge, J. M., Abebe, E. M., & Campbell, W. K. (2010). Fitting in or standing out: Trends in American parents’ choices for children’s names, 1880-2007. Social Psychological and Personality Science, 1, 19-25.

Twenge, J. M. (2009). Generational changes and their impact in the classroom: Teaching Generation Me. Medical Education, 43, 398-405.

Twenge, J. M., & Campbell, S. M. (2008). Generational differences in psychological traits and their impact on the workplace. Journal of Managerial Psychology, 23, 862-877.