RCT Protocol for 'OverThinking': A Mobile EMI for Reducing Experiential Avoidance

OverThinking is a mobile application ecological momentary intervention for iOS and Android, which has been designed for the reduction of experiential avoidance in rumination. The application primarily consists of psychoeducation content and related exercises intended to be delivered over a four-week period. In order to examine the effectiveness of the application during the course of the intervention and to examine user-experiences of using the application for the purpose of rumination intervention, a number of self-report tools are embedded.