Document Classification

Section Type: METHODS

Text: Using blind assessors, participants were assessed at pretreatment, posttreatment, 6-month, 1-year, and 2-year follow-up with a composite of self-report and assessor-rated GAD symptom measures (the Penn State Worry Questionnaire ; T. J. Meyer, M. L. Miller, R. L. Metzger, & T. D. Borkovec, 1990 ; Hamilton Anxiety Rating Scale ; M. Hamilton, 1959 ; assessor severity rating ; State-Trait Anxiety Inventory-Trait Version ; C. D. Spielberger, R. L. Gorsuch, R. Lushene, P. R. Vagg, & G. A. Jacobs, 1983) as well as with indices of clinically significant change.