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University of Delaware Faculty

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Scott Caplan
Associate Professor
Director of Undergraduate Program
University of Delaware
246 Pearson
Newark, DE 19716


​Professor Caplan earned a PhD in interpersonal communication from Purdue University in 2000 and an MA from the University of Delaware in 1995. He joined the University of Delaware faculty in 1999. In 2006, he received the University of Delaware Faculty Senate Excellence in Teaching Award. He is currently a member of the Editoral Board for Human Communication Research, Communication Research, Communincation Quarterly, and the Journal of Computer Mediated Communication.

Click here for Dr. Caplan's Google Scholar Profile Page

Research Program.   Professor Caplan's research examines technology and interpersonal behavior.  He has worked to develop and test a cognitive behavioral model of problematic Internet use along with the Generalized Problematic Internet Use Scale 2 (GPIUS2). To date, the GPIUS2 has been used worldwide and translated into 11 languages.

Professor Caplan's book, "The Changing Face of Problematic Internet Use: An Interpersonal Approach" examines the trends and development of research on problemtic types of online social behavior, including Internet/gaming addiction, online behavior and relational conflict, online infidelity, cyberbullying, cyberstalking, and the recent development of being constantly connected to mobile devices and social networks. 

Teaching Philosophy & Goals The relationship between communicative phenomena and well-being influences both his research and  teaching. In teaching, Professor Caplan strives to help students apply the findings from research to their own lives in order to enhance their psychosocial well-being.  His guiding pedagogical philosophy is that true learning occurs when students become active participants in their own educations. 

Coures Regularly Taught COMM227: Communication in Family Systems, COMM330: Communication and Interpersonal Behavior, COMM417: Communication and Conflict Management, COMM630: Theories of Interpersonal Communication (Graduate Seminar)


2006 UD Excellence in Teaching Award


Caplan, S. E. (2018). The changing face of problematic Internet use: An interpersonal approach. New York: Peter Lang.

Pontes, H., Caplan, S. E., & Griffiths, M. D. (2016). Psychometric Validation of the Generalized Problematic Internet Use Scale 2 in a Portuguese Sample. Computers in Human Behavior, 63, 823-833. http://doi:10.1016/j.chb.2016.06.015

Casale, S., Caplan, S. E., & Fioravanti, G. (2016). Positive metacognitions about Internet use: the mediating role in the relationship between emotional dysregulation and problematic use.  Addictive Behaviors.

Casale, S. Fioravanti, G., & Caplan, S. E. (2015). Online disinhibition: Precursors and outcomes.  Journal of Media Psychology. 1-8.

Haagsma, M. C., Caplan, S. E., Peters, O., & Pieterse, M. E. (2013).  A cognitive-behavioral model of problematic online gaming in adolescents aged 12–22 years.  Computers in Human Behavior, 29,202-209.

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