Positive Beliefs About Rumination Scale-adapted: Validation of the Portuguese Version

Introduction Watkins and Moulds (2005) adapted the Positive Beliefs aboutRumination Scale (PBRS; Papageorgiou and Wells, 2001) to reduce confounds with mood states. The items keep the meaningthat recurrent thinking about feelings would be helpful, but direct mentions ofrumination, depression and negative mood or events were omitted. Objective To investigate thepsychometric properties of the PBRS-Adapted Portuguese version. Methods Acommunity sample of 552 university students (425 girls; 80.3%; mean age=19.72±1.147) answered the Portuguesepreliminary version of the PBRS-A, and the validated Portuguese versions ofother self-reported questionnaires: Perseverative ThinkingQuestionnaire/PTQ-15; Repetitive Thinking Questionnaire/RNT-10; The Metacognitions Questionnaire-30/MCQ-30;Profile of Mood States/POMS. To study the temporal stability, 242 (207girls; 85.5%) respondents answered the MCQ-30 again after approximately six weeks. Results The PBRS-A Cronbach alpha was 'very good” (a=.80). All the itemscontribute to the internal consistency. The test-retest correlation coefficientwas high, positive and significant (.64; p PBRS-Asignificantly, positively and moderately correlated with RNT-10, PTQ-15, MCQ-30and all their dimensions (all r>.35;p Conclusions The Portuguese version of PBRS-Ahas good reliability and validity. As a transdiagnostic measure, it could be veryuseful to assess individuals with several emotional disorders, both in clinicaland research contexts.