Publications

20. Spahr, C. M. (2025). Everyday Engagement in Out-Loud Self-Talk: Self-Reported and Observed Variations in Prevalence, Characteristics, and Mental Health Indicators. [Doctoral dissertation, University of California, Riverside]. 

19. Spahr, C. M., & Robbins, M. L. (2025). Spill the tea, honey: Gossiping predicts well-being in same- and different-gender couples. Journal of Social and Personal Relationships. doi: 10.1177/02654075251375147

18. Parra, L. A., Roos, L. G., Layland, E. K., Spahr, C. M., Goldbach, J. T., Bray. B. C., Kipke, M. D., & Slavich, G. M. (2025). Optimism, lifetime financial stressors, and mental health among racially, sexually, and gender minoritized emerging adultsJournal of Racial and Ethnic Health Disparities. doi: 10.1007/s40615-025-02305-z

17. Spahr, C. M., Martinez, M. A., Jonnalagadda, P., & Robbins, M. L. (2025). Passive Behavioral Ambulatory Assessment Technologies in Psychosocial Public Health Research. In Oxford Research Encyclopedia of Global Public Health. New York: Oxford University Press. [Note: this entry was peer reviewed]. doi: 10.1093/acrefore/9780190632366.013.522

16. Robbins, M. L., Spahr, C. M., Karan, A. (2024). Re-evaluating the honing framework: Naturalistic observation of same- and different-gender couples’ conversations. Personal Relationships. 31(1), 156–174. doi: 10.1111/pere.12533

15. Robbins, M. L., Jonnalagadda, P., & Spahr, C. M. (2023). Rebalancing social and personality psychology methods: The case for naturalistic observation. Social and Personality Psychology Compass. e12917. doi: 10.1111/spc3.12917

14. Engels, N., Riphagen, J.M., Van Egroo, M., Spahr, C.M., Slavich, G.M., & Jacobs, H.I.L. (2023). Preliminary validation of the Stress and Adversity Inventory for Adults (Adult STRAIN) in Dutch and its associations with in-vivo locus coeruleus integrity. Alzheimer’s & Dementia, 19. e082786. doi: 10.1002/alz.082786

13. Parra, L. A., Spahr, C. M., Goldbach, J. T., Bray, B. C., Kipke, M. D., & Slavich, G. M. (2022). Greater lifetime stressor exposure is associated with poorer mental health among sexual minority people of color. Journal of Clinical Psychology. doi: 10.1002/jclp.23463

12. Burani, K., Brush, C. J., Spahr, C. M., Slavich, G. M., Meyer, A., & Hajcak, G. (2022). Corporal punishment is uniquely associated with a greater neural response to errors and blunted neural response to rewards in adolescence. Biological Psychiatry: Cognitive Neuroscience and Neuroimaging. doi: 10.1016/j.bpsc.2022.09.004

11. McIntosh, E. C., Beam, C., Spahr, C. M., Slavich, G. M., & Thames, A. D. (2022). Prefrontal cortex volume mediates the relationship between lifetime chronic stressor exposure and cognition in people living with and without HIV. Psychosomatic Medicine, 84, 904-913. doi: 10.1097/PSY.0000000000001125 

10. McLoughlin, E., Arnold, R., Fletcher, D., Spahr, C. M., Slavich, G. M., & Moore, L. J (2022). The development and initial validation of the Stress and Adversity Inventory for sport performers: How lifetime stress exposure relates to health, wellbeing, and performance. Psychology of Sport and Exercise, 58. doi: 10.1016/j.psychsport.2021.102078

9. Lussier, C. M., Donham, A. M., & Spahr, C. M. (2021). Online strategy usage and fostering a sense of belonging in undergraduate STEM education: Evaluation of the SMI online platform impact during COVID-19. Technical report for UCR’s California Teach-Science & Mathematics Initiative. 

8. Kim, S., Zhang, W., Pak, V., Aqua, J. K., Hertzberg, V. S., Spahr, C. M., Slavich, G. M., & Bai, J. (2021). How stress, discrimination, acculturation, and the gut microbiome affect depression, anxiety, and sleep among Chinese and Korean immigrants in the United States: A cross-sectional study protocol. BMJ Open, 11, e047281. doi:10.1136/bmjopen-2020-047281

7. Moseley, R. L., Turner-Cobb, J. M., Spahr, C. M., Shields, G. S., & Slavich, G. M. (2021). Lifetime and perceived stress, social support, loneliness, and health in autistic adults. Health Psychology, 40(8), 556–568. doi: 10.1037/hea0001108

6. Foubert, L., Noël, Y., Spahr, C. M., & Slavich, G. M. (2021). Beyond WEIRD: Associations between socioeconomic status, gender, lifetime stress exposure, and depression in Madagascar. Journal of Clinical Psychology. doi: 10.1002/jclp.23131

5. Spahr, C.M. (2020). Relationship quality and racial composition of roommates: Effects on cardiovascular and psychological outcomes [Master’s thesis]. San Diego State University.

4. Reblin, M., Vaughn, A. A., Birmingham, W. C., Smith, T. W., Uchino, B. N., Spahr, C. M. (2020). Complex Assessment of Relationship Quality within Dyads. Journal of Community Psychology. doi: 10.1002/jcop.22392

3. Shields, G. S., Spahr, C. M., & Slavich, G. M. (2020). Psychosocial interventions and immune system function: A systematic review and meta-analysis of randomized clinical trials. JAMA Psychiatry. doi:10.1001/jamapsychiatry.2020.0431

2. Cazassa, M. J., Oliveira, M. S., Spahr, C. M., Shields, G. S., & Slavich, G. M. (2019). The Stress and Adversity Inventory for Adults (Adult STRAIN) in Brazilian Portuguese: Initial validation and links with executive function, sleep, and mental and physical health. Frontiers in Psychology, 10. doi: 10.3389/fpsyg.2019.03083

1. Shields, G. S., Spahr, C. M., & Yonelinas, A. P. (2019).  Feel free to write this down: Writing about a stressful experience does not impair change detection task performance. Emotion20(2), 317-322. doi: 10.1037/emo0000549