Peer-Reviewed Articles

Heekerens, J. B., Gross, J. J., Kreibig, S. D., Wingenfeld, K., & Roepke, S. (2023). The temporal dynamics of dissociation: Protocol for an ecological momentary assessment and laboratory study in a transdiagnostic sample. BMC Psychology. Advance online publication. Preprint available at Code available at Laboratory protocol available at

Heekerens, J. B., Schulze, L., Enge, J., Renneberg, B., & Roepke, S. (2023). Affective arousal temporally precedes dissociation in patients with borderline personality disorder: A preliminary experience sampling study. Psychological Trauma: Theory, Research, Practice, and Policy. Advance online publication. Preprint available at Data and code available at

Graumann, L.*, Heekerens, J. B.*, Duesenberg, M., Metz, S., Spitzer, C., Otte, C., … Wingenfeld, K. (2023). Association between baseline dissociation levels and stress-induced state dissociation in patients with posttraumatic-stress disorder, borderline personality disorder, and major depressive disorder. Borderline Personality Disorder and Emotion Dysregulation10(1), 11. | *shared first authorship

Heekerens, J. B., Schulze, L., Enge, J., Renneberg, B., & Roepke, S. (2022). The temporal relation of arousal and perceived rejection in patients with borderline personality disorder and depressive disorders: An experience sampling approach. Personality Disorders: Theory, Research, and Treatment, 13(6), 597-608. Preprint available at Data and code are available at

Heekerens, J. B., Eid, M., Heinitz, K., & Merkle, B. (2022). Cognitive-affective responses to online positive-psychological interventions: The effects of optimistic, grateful, and self-compassionate writing. Applied Psychology: Health and Well-Being, 14(4), 1105-1128. (Download)

Heekerens, J. B., & Eid, M. (2020). Inducing positive affect and positive future expectations using the best-possible-self intervention: A systematic review and meta-analysis. The Journal of Positive Psychology, 16(3), 322-347.

Heekerens, J. B., Heinitz, K., & Eid, M. (2019). Dealing with conflict: Reducing goal ambivalence using the best-possible-self intervention. The Journal of Positive Psychology, 15(3), 325-337.

Jarden, A., Rashid, T., Roache, A., Lomas, T., Heekerens, J. B., & Dreisörner, A. (2019). Ethical guidelines for positive psychology practice (version 1.0: German). International Journal of Wellbeing, 9(3), 1-30. (Download)

Heekerens, J. B., & Heinitz, K. (2019). Looking forward: The effect of the best-possible-self intervention on thriving through relative intrinsic goal pursuits. Journal of Happiness Studies, 20, 1379-1395.

Doctoral Thesis

Heekerens, J. B. (2020). Cultivating happiness: Effects, underlying mechanisms, and moderators of positive-psychological interventions [Doctoral dissertation, Freie Universität Berlin]. Refubium. (Download)

Book Chapters

Koch, T., Holtmann, J., & Heekerens, J. B. (2021). Construction of informative priors for the application of CFA – MTMM models in small samples: A model-free approach. In J. L. Helm (Ed.), Advanced multitrait-multimethod analyses for the behavioral and social sciences (1st ed.). Routlege.