“…beliefs in one's own possibilities and reflections on these beliefs, constitute manifestations of metacognitive processes. Factors determining the contents of these beliefs include a number of individual variables, among them cognitive, affective and social factors (Dunlosky, Serra, & Baker, 2007;Nelson, Kruglanski, & Jost, 1998;. The contents of metacognitive beliefs constitute a particularly interesting area of psychopathological research, as they are considered a factor that triggers and maintains clinical signs of various conditions (as reviewed by Szepietowska, 2013).…”