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Faculty Experts

David DeMatteo, JD, PhD

Director, JD/PhD Program in Law and Psychology, Associate Professor of Law, Associate Professor of Psychology

College of Arts and Sciences, Thomas R. Kline School of Law

Contact:

david.s.dematteo@drexel.edu

215.553.7107

DeMatteo's research interests include psychopathy, forensic mental health assessment, drug policy and offender diversion. His research has been funded by the National Institute on Drug Abuse, Pennsylvania Department of Health, Pennsylvania Commission on Crime and Delinquency and American Psychology-Law Society. DeMatteo is licensed as a psychologist in Pennsylvania, where he conducts forensic mental health assessments of juveniles and adults. He has co-authored three books in his field, with two more forthcoming, and more than 60 articles and book chapters. He is the associate editor of Law and Human Behavior, on the editorial boards of Criminal Justice & Behavior and the Open Access Journal of Forensic Psychology and a reviewer for more than 15 scientific journals. DeMatteo was chair of the American Psychological Association's (APA) Committee on Legal Issues in 2011, and he is currently council representative to APA for the American Psychology-Law Society (Div. 41 of APA).

For news media inquiries, contact Emily Storz at els332@drexel.edu, 215.895.2705 (office) or 609.351.3592 (cell). 

In the News

  • Why Can't People Like Anthony Weiner Stop Sexting?

    David DeMatteo, JD, PhD, an associate professor of law and psychology and director of the JD/PhD program in the Kline School of Law and College of Arts and Sciences, was quoted in a Sept. 2 healthline.com story about the high-profile "sexting" situation involving Anthony Weiner.

  • Ballard: Words that Don't Belong Together: Teens and Sexting

    Research on sexting, conducted by David DeMatteo, JD, PhD, an associate professor of law and psychology and director of the JD/PhD program in the Kline School of Law and College of Arts and Sciences, was mentioned in the Houston Chronicle on Dec. 10.

  • Schools, Cops Take Notice as Teen Sexting Becomes New Norm

    Research on sexting, conducted by David DeMatteo, JD, PhD, an associate professor of law and psychology and director of the JD/PhD program in the Kline School of Law and College of Arts and Sciences, was mentioned by Public Radio International’s “The Takeaway” on Nov. 12.

  • 12 Reasons Why Gender Matters to Understanding Teenage Sexting

    Research by David DeMatteo, JD, PhD, an associate professor of law and psychology and director of the JD/PhD program in the Kline School of Law and College of Arts and Sciences, was mentioned in a Huffington Post story on Nov. 10 about teenage sexting. 

  • The Sexting Epidemic

    Rob D’Ovidio, PhD, an associate professor and associate dean for humanities and social sciences research in the College of Arts and Sciences, was quoted in a Nov. 9 KYW-TV (CBS-3) segment about how much information Google keeps on its users.

  • ‘Sexting’ Case Rocks Colorado Town

    David DeMatteo, JD, PhD, an associate professor of law and psychology and director of the JD/PhD program in the Kline School of Law and College of Arts and Sciences, was quoted in a Wall Street Journal story on Nov. 8 about students facing child porn charges for sexting. His research was also mentioned in a Nov. 7 CNN segment.

  • Your Guide to Safe(r) Sexting

    A study on ‘sexting’ – sending sexually explicit text messages – by David DeMatteo, JD, PhD, an associate professor of psychology and law and director of Drexel’s joint JD/PhD program in psychology and law in the College of Arts and Sciences and Kline School of Law, Heidi Strohmaier, a PhD candidate in psychology, and Megan Murphy, a JD/PhD candidate, was mentioned in a PC Magazine article on April 20.

  • Your Guide to Safe(r) Sexting

    A study on ‘sexting’ – sending sexually explicit text messages – by David DeMatteo, JD, PhD, an associate professor of psychology and law and director of Drexel’s joint JD/PhD program in psychology and law in the College of Arts and Sciences and Kline School of Law, Heidi Strohmaier, a PhD candidate in psychology, and Megan Murphy, a JD/PhD candidate, was mentioned in a PC Magazine article on April 20.

  • A More Effective Solution for Teen Sexting

    A study on ‘sexting’ – sending sexually explicit text messages – by David DeMatteo, JD, PhD, an associate professor of psychology and law and director of Drexel’s joint JD/PhD program in psychology and law in the College of Arts and Sciences and Kline School of Law, Heidi Strohmaier, a PhD candidate in psychology, and Megan Murphy, a JD/PhD candidate, was cited throughout a Desert News article on Feb. 27.

  • Researcher Sets The Record Straight On Teen Sexting

    A study on ‘sexting’ – sending sexually explicit text messages – by David DeMatteo, JD, PhD, an associate professor of psychology and law and director of Drexel’s joint JD/PhD program in psychology and law in the College of Arts and Sciences and Kline School of Law, Heidi Strohmaier, a PhD candidate in psychology, and Megan Murphy, a JD/PhD candidate, was mentioned in a Forbes.com article on Jan. 10.

  • Police launch porn probe over Oregon teen sex videos

    A study on ‘sexting’ – sending sexually explicit text messages – by David DeMatteo, JD, PhD, an associate professor of psychology and law and director of Drexel’s joint JD/PhD program in psychology and law in the College of Arts and Sciences and Kline School of Law, Heidi Strohmaier, a PhD candidate in psychology, and Megan Murphy, a JD/PhD candidate, was mentioned in a Reuters article on Nov. 18.

  • Chances Are, Your Teen has Sexted

    A study on ‘sexting’ – sending sexually explicit text messages – by David DeMatteo, JD, PhD, an associate professor of psychology and law and director of Drexel’s joint JD/PhD program in psychology and law in the College of Arts and Sciences and Kline School of Law, Heidi Strohmaier, a PhD candidate in psychology, and Megan Murphy, a JD/PhD candidate, was featured on CNN.com on Nov. 18.

  • Instagram Is Right to Censor Chelsea Handler

    A study on ‘sexting’ – sending sexually explicit text messages – by David DeMatteo, JD, PhD, an associate professor of psychology and law and director of Drexel’s joint JD/PhD program in psychology and law in the College of Arts and Sciences and Kline School of Law, Heidi Strohmaier, a PhD candidate in psychology, and Megan Murphy, a JD/PhD candidate, was mentioned in a TIME.com post on Oct. 31 about Instagram’s censorship policy.

  • How Nudity Became the New Normal

    A study on ‘sexting’ – sending sexually explicit text messages – by David DeMatteo, JD, PhD, an associate professor of psychology and law and director of Drexel’s joint JD/PhD program in psychology and law in the College of Arts and Sciences and School of Law, Heidi Strohmaier, a PhD candidate in psychology, and Megan Murphy, a JD/PhD candidate, was mentioned in a TIME.com article on Oct. 7 about millennials and nudity. It also was mentioned in a story on sexting in Georgia Family magazine’s October issue.

  • Forensic Psychology: Is It the Career for Me?

    David DeMatteo, JD, PhD, an associate professor of psychology and law and director of Drexel’s joint JD/PhD program in psychology and law in the College of Arts and Sciences and School of Law, was mentioned in a Sept. 15 Psychology Today blog post about forensic psychology.

  • ‘Leak’ of Celebrities’ Personal Property a Despicable, Eye-Opening Crime

    A study on ‘sexting’ – sending sexually explicit text messages – by David DeMatteo, JD, PhD, an associate professor of psychology and law and director of Drexel’s joint JD/PhD program in psychology and law in the College of Arts and Sciences and School of Law, Heidi Strohmaier, a PhD candidate in psychology, and Megan Murphy, a JD/PhD candidate, was mentioned in a Boston.com story on Sept. 2 about celebrity photos being leaked after their iCloud accounts were hacked.

  • Study Finds Most Teens Sext Before They’re 18

    David DeMatteo, JD, PhD, associate professor of psychology and law and director of Drexel’s joint JD/PhD program in psychology and law in the College of Arts and Sciences and School of Law, was quoted in a TIME article on July 3 about his new study on sexting – sending sexually explicit text messages.

  • Study: Teens Who Sext Are Also Having Sex

    David DeMatteo, JD, PhD, associate professor of psychology and law and director of Drexel’s joint JD/PhD program in psychology and law in the College of Arts and Sciences and School of Law was interviewed on KCBS-Radio (San Francisco) on June 29 about his new study on sexting – sending sexually explicit text messages. The study was also mentioned in a CBS Philly story on June 30.

  • STUDY: Underage Sexting More Common Than Previously Thought

    A new study on ‘sexting’ – sending sexually explicit text messages – by David DeMatteo, JD, PhD, an associate professor of psychology and law and director of Drexel’s joint JD/PhD program in psychology and law in the College of Arts and Sciences and School of Law, Heidi Strohmaier, a PhD candidate in psychology, and Megan Murphy, a JD/PhD candidate, was featured on KFBK-AM  radio (Sacramento)  on June 25. DeMatteo was interviewed.

  • Drexel Study Says 50 Percent of Students Have Sexted as Minors

    A new study on ‘sexting’ – sending sexually explicit text messages – by David DeMatteo, JD, PhD, an associate professor of psychology and law and director of Drexel’s joint JD/PhD program in psychology and law in the College of Arts and Sciences and School of Law, Heidi Strohmaier, a PhD candidate in psychology, and Megan Murphy, a JD/PhD candidate, was featured in the Philadelphia Metro on June 19.

  • Expert: Tattoos, weight gain may be killing suspect Konias' way to look tough

    Dr. David DeMatteo, associate professor and director of J.D./Ph.D. program in the Earle Mack School of Law and the College of Arts and Sciences, was quoted in a Pittsburgh Tribune-Review story on September 2 about the behavior of alleged murder Kenneth Konias.

Related Articles

  • A new study from Drexel University found that the majority of young people are not aware of the legal ramifications of underage sexting

    Majority of Minors Engage in Sexting, Unaware of Harsh Legal Consequences

    Sexting among youth is more prevalent than previously thought, according to a new study from Drexel University that was based on a survey of undergraduate students at a large northeastern university. More than 50 percent of those surveyed reported that they had exchanged sexually explicit text messages, with or without photographic images, as minors.