Article
DSM criteria for major depression: evaluating symptom patterns using latent-trait item response models.
Psychological medicine - 1 Apr 2005
Aggen Steven H, Neale Michael C, Kendler Kenneth S
Abstract excerpt
BACKGROUND: Expert committees of clinicians have chosen diagnostic criteria for psychiatric disorders with little guidance from measurement theory or modern psychometric methods. The DSM-III-R criteria for major depression (MD) are examined to determine the degree to which latent trait item response models can extract additional useful information. METHOD: The dimensionality and measurement properties of the 9...
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