Incremental Validity of Cognitions in a Clinical Case Formulation: An Intraindividual Test in a Case Example |
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Authors: | Gregory H Mumma Scott R Mooney |
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Institution: | (1) Department of Psychology, Box 2051, Texas Tech University, Lubbock, TX 79409–2051, USA |
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Abstract: | Incremental validity, the ability of a measure to predict or explain variance over and above other measures, is an important
psychometric characteristic of standardized measures, but has received little attention idiographically. Idiographic assessment
may be an important part of developing a clinical case formulation, guiding treatment by developing an individualized understanding
of the variables that trigger and maintain distress. This study examined whether the idiosyncratic cognitive schema hypothesized
by a clinician in a cognitive case formulation explained distress incrementally over that of situational triggers. Using daily
ratings of situational triggers, idiosyncratic cognitions, and distress, the incremental validity of cognitions in predicting
each of six distress measures was tested in a case example using dynamic time series regression. The incremental variance
explained by cognitions varied across the distress measures, suggesting that, in this case example, targeting thoughts and
beliefs for treatment may be important for only certain types of distress.
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Keywords: | Clinical case formulation Cognitive case formulation Idiographic assessment Incremental validity of assessment Behavioral assessment Dynamic time series regression |
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