Dr. Phillip Ozimek

Affiliated Researcher
Room: IB 4/67
Phone: +49 (0)234 32-21680
Fax: +49 (0)234 32-14002

Office hours: by appointment

Dr. Phillip Ozimek takes part in the INTERACT!-Project and works at the Mental Research and Treatment Center Bochum.

Research Interests

Social Media




Social Comparison

Representative Publications

Ozimek, P., Brailovskaia, J., & Bierhoff, H. W. (2023). Active and passive behavior in social media: Validating the Social Media Activity Questionnaire (SMAQ). Telematics and Informatics Reports, 10, 100048.

Ozimek, P., Lainas, S., Bierhoff, H. W., & Rohmann, E. (2023). How photo editing in social media shapes self-perceived attractiveness and self-esteem via self-objectification and physical appearance comparisons. BMC psychology, 11(1), 1-14.

Ozimek, P., Nettersheim, M., Rohmann, E., & Bierhoff, H. W. (2022). Science vs. Conspiracy Theory about COVID-19: Need for Cognition and Openness to Experience Increased Belief in Conspiracy- Theoretical Postings on Social Media. Behavioral Sciences, 12(11), 435.

Ozimek, P., & Forster, J. (2021). The Social Online-Self-Regulation-Theory: A Review of Self- Regulation in Social Media. Journal of Media Psychology, 33(4), 181–190.

Ozimek, P., & Bierhoff, H. W. (2019). All my online-friends are better than me–three studies about ability-based comparative social media use, self-esteem, and depressive tendencies. Behaviour & Information Technology, 1-14.

Ozimek, P., Bierhoff, H. W., & Hanke, S. (2018). Do vulnerable narcissists profit more from Facebook use than grandiose narcissists? An examination of narcissistic Facebook use in the light of self-regulation and social comparison theory. Personality and Individual Differences, 124, 168-177.

Ozimek, P., & Förster, J. (2017). The impact of self-regulatory states and traits on Facebook use: Priming materialism and social comparisons. Computers in Human Behavior, 71, 418-427.

Ozimek, P., & Bierhoff, H. W. (2016). Facebook use depending on age: The influence of social comparisons. Computers in Human Behavior, 61, 271-279.

Brief Curriculum Vitae