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Development and Initial Validation of the Disinhibition InventoryA Multifaceted Measure of DisinhibitionUniversity of Iowa
University of Iowa
University of Iowa
University of Iowa
University of Iowa, la-clark{at}uiowa.edu The broad personality trait of disinhibition reflects the tendency to behave in an underconstrained versus overconstrained manner and is associated with externalizing psychopathology and risk-taking behaviors. This article describes the development and initial validation of the Disinhibition Inventory (DIS-I), a multifaceted measure of disinhibition that helps explicate the nature of this important higher-order dimension more fully. Factor analyses of an initial item pool resulted in five content-distinct, yet correlated scales measuring both high (Manipulativeness, Distractibility, Risk Taking) and low (Prosociality, Orderliness) levels of disinhibition that cross-validated in an independent sample. Evidence for the construct validity of the DIS-I is presented, including convergent and discriminant relations with Big-Three and Big-Five/five-factor model measures of personality. Results indicate that the DIS-I scales are associated most strongly with other measures of disinhibition, but that the DIS-I additionally contains content absent in extant adult measures of disinhibition that may prove useful in the assessment of externalizing psychopathology.
Key Words: disinhibition externalizing personality trait psychopathology
This version was published on September
1, 2009 Assessment, Vol. 16, No. 3,
274-291 (2009) |
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