Perseverative thinking questionnaire
The trait tendency to use rumination was assessed through a 15-item Perseverative Thinking Questionnaire. The scale measures ruminative thoughts, regardless of their content, from a transdiagnostic perspective (e.g., “My thoughts repeat themselves”). Participants responded on a five-point Likert scale, from “0” (never) to “4” (almost always). The total score range between 0 and 50. A higher score on PTQ reflects a higher level of rumination. The internal consistency of the scale in the present study was excellent (