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Article To Be Published in Clinical Psychological Science Journal

The article "When did PTSD get so many factors? Confirmatory factor models since DSM-5" was recently accepted for publication in the APS journal Clinical Psychological Science. The paper reviews the factor analysis literature in Post-traumatic Stress Disorder since the publication of DSM-5, considering how the number of factors having nearly doubled since DSM-5 from 4 to 7 while the number of symptoms has only grown slightly between DSM-5 (20) and the previous DSM (17). The article examines common but questionable methodological practices that have led to this inflation.

The full list of authorship include: Dr. Jay Verkuilen, professor of Quantitative Methods in Educational and Psychological Research, Educational Psychology PhD Program, CUNY Graduate Center, Zebing Wu, student, Quantitative Methods in Educational and Psychological Research, Educational Psychology PhD Program, CUNY Graduate Center, Sydne McCluskey, student, Quantitative Methods in Educational and Psychological Research, Educational Psychology PhD Program, CUNY Graduate Center, Andrew Rasmussen, Student, Psychology Program, Fordham University, and Nuwan Jayawickreme, student, Manhattan College.

Submitted on: OCT 5, 2018

Category: Educational Psychology