Off-campus Pacific University users: To download campus access theses and dissertations, please log into our proxy server with your PUNet ID and password.

Non-Pacific University users: Please talk to your librarian about requesting this thesis or dissertation through interlibrary loan.

Theses or dissertations that have a specific embargo period indicated below will not be available to anyone until the date indicated.

Date of Award


Degree Type

Thesis (On-Campus Access Only)

Degree Name

Master of Science in Psychology

Committee Chair

Maryka Biaggio

Second Advisor

Ricks Warren


The cognitive-behavioral group treatment (CBGT) protocol developed by Heimberg (1991) has been one of the most widely studied and empirically supported psychosocial treatments for social phobia, however, little work has been done to evaluate the effectiveness of CBGT administered by clinicians in settings other than research centers. Previous research with individuals with social phobia has utilized only clinical populations which met strict criteria, and often excluded individuals with co-morbid disorders, to test treatment models. Considering the prevalence of social phobia and the serious life impairment associated with the disorder, effective treatment is an important health care issue. This thesis explores the applicability and effectiveness of Heimberg and
Becker's (1991) CBGT for social phobia administered in the clinical setting.