1. The Perseverative Thinking Questionnaire: Development and Validation Open Access Author: Szkodny, Lauren Elizabeth Title: The Perseverative Thinking Questionnaire: Development and Validation Graduate Program: Psychology Keywords: Perseverative Thinking Questionnaireworryrumination File: Download Szkodny.MastersThesis.Final.pdf Committee Members: Michelle Gayle Newman, Thesis Advisor/Co-AdvisorMichelle Gayle Newman, Thesis Advisor/Co-Advisor