Are worry, rumination, and post-event processing one and the same?

Accumulating evidence suggests that repetitive negative thinking (RNT) is a transdiagnostic phenomenon. However, various forms of RNT such as worry, rumination, and post-event processing have been assessed using separate measures and have almost exclusively been examined within the anxiety, depression, and social phobia literatures, respectively. A single transdiagnostic measure of RNT would facilitate the identification of transdiagnostic...