Dr. Jette Völker
Chair of Work and Organizational Psychology
A 5, 6
Gebäudeteil C – Room C 108
68159 Mannheim
By appointment
Career History
10/ 2023 – present Postdoctoral Researcher, Work and Organizational Psychology, University of Mannheim 10/ 2019 – 09/ 2023 Research Assistant, Work and Organizational Psychology, University of Mannheim 08/ 2017 – 09/ 2019 Student Research Assistant, Department of Social Psychology, Um University 08/ 2018 – 10/ 2018 Intern at the Research & Development Department, HR Diagnostics AG, Stuttgart 10/ 2016 – 07/ 2017 Working Student, people-s-place GmbH, Ulm 08/ 2016 – 10/ 2016 Intern, people-s-place GmbH, Ulm Education
10/ 2019 – 10/ 2023 PhD in Psychology (Dr. rer. soc.), University of Mannheim 10/ 2017 – 09/ 2019 Master of Science, Psychology (M.Sc.Psych.), Ulm University 10/ 2014 – 09/ 2017 Bachelor of Science, Psychology (B.Sc. Psych.), Ulm University Publications
Völker, J. & Wiegelmann, M. (2025). The early bird catches the worm: Assessing implicit theories on circadian processes at work. Journal of Occupational Health Psychology, 30(2), 98–117.https://doi.org/10.1037/ocp0000400
Sonnentag, S., Völker, J., & Wehrt, W. (2025). Good and bad days at work: A descriptive review of day‐level and experience‐sampling studies. Journal of Organizational Behavior, 46(2), 207–226. https://doi.org/10.1002/job.2796
Koch, T. J. S., Arnold, M., Völker, J., & Sonnentag, S. (2024). Eat healthy, feel better: Are differences in employees’ longitudinal healthy‐eating trajectories reflected in better psychological well‐being? Applied Psychology: Health and Well-Being, 16(3), 1305–1325. https://doi.org/10.1111/aphw.12529
Koch, T. J. S., Nesher Shoshan, H., Völker, J., & Sonnentag, S. (2024). Psychological detachment matters right after work: Engaging in physical exercise after stressful workdays. International Journal of Stress Management, 31(3), 266–278. https://doi.org/10.1037/str0000312
Koch, T. J. S., Völker, J., & Sonnentag, S. (2024). Healthy and successful: Health-behavior goal striving in daily work life. Stress & Health, 40(2), e3295. https://doi.org/10.1002/smi.3295
Völker, J., Koch, T. J. S., Wiegelmann, M., & Sonnentag, S. (2024). Mind the misalignment: The moderating role of daily social sleep lag in employees’ recovery processes. Journal of Organizational Behavior, 45(5), 684–701. https://doi.org/10.1002/job.2777
Völker, J., Wiegelmann, M., Koch, T. J. S., & Sonnentag, S. (2024). It’s Monday again: Weekend sleep differentially relates to the workweek via reattachment on Monday.Journal of Organizational Behavior, 45(6), 800–817.https://doi.org/10.1002/job.2788
Sonnentag, S., Kottwitz, M. U., Koch, T. J. S., & Völker, J. (2023). Enrichment and conflict between work and health behaviors: New scales for assessing how work relates to physical exercise and healthy eating. Occupational Health Science, 7, 251–296. https://doi.org/10.1007/s41542-022-00134-8
Völker, J., Casper, A., Koch, T. J. S., & Sonnentag, S. (2023). It’s a match: The relevance of matching chronotypes for dual-earner couples’ daily recovery from work.Journal of Occupational Health Psychology, 28(3), 174–191.https://doi.org/10.1037/ocp0000351
Völker, J., Kühnel, J., Feinäugle, F., & Barnes, C. M. (2023). Being robbed of an hour of sleep: The impact of the transition to daylight saving time on work engagement depends on employees’ chronotype. Sleep Health, 9(5), 579–586. https://doi.org/10.1016/j.sleh.2023.06.004
Wiegelmann, M., Völker, J., & Sonnentag, S. (2023). Sleep has many faces: The interplay of sleep and work in predicting employees’ energetic state over the course of the day. Journal of Occupational Health Psychology, 28(1), 52–63. https://doi.org/10.1037/ocp0000345