Title

Birth Cohort Increases In Psychopathology Among Young Americans, 1938-2007: A Cross-Temporal Meta-Analysis Of The Mmpi

Keywords

Anxiety; Birth cohort; Culture; Depression; Generations; Psychopathology

Abstract

Two cross-temporal meta-analyses find large generational increases in psychopathology among American college students (N = 63,706) between 1938 and 2007 on the MMPI and MMPI-2 and high school students (N = 13,870) between 1951 and 2002 on the MMPI-A. The current generation of young people scores about a standard deviation higher (average d = 1.05) on the clinical scales, including Pd (Psychopathic Deviation), Pa (Paranoia), Ma (Hypomania), and D (Depression). Five times as many now score above common cutoffs for psychopathology, including up to 40% on Ma. The birth cohort effects are still large and significant after controlling for the L and K validity scales, suggesting that the changes are not caused by response bias. The results best fit a model citing cultural shifts toward extrinsic goals, such as materialism and status and away from intrinsic goals, such as community, meaning in life, and affiliation. © 2009 Elsevier B.V. All rights reserved.

Publication Date

3-1-2010

Publication Title

Clinical Psychology Review

Volume

30

Issue

2

Number of Pages

145-154

Document Type

Review

Personal Identifier

scopus

DOI Link

https://doi.org/10.1016/j.cpr.2009.10.005

Socpus ID

74149089630 (Scopus)

Source API URL

https://api.elsevier.com/content/abstract/scopus_id/74149089630

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