“…We used the following questionnaires as correlates of the theorybased constructs: Helping Alliance Questionnaire (HAQ)-quality of the alliance (Bassler, Potratz, & Krauthauser, 1995), Patient Questionnaire on Therapy Expectation and Evaluation (PATHEV)-treatment suitability (Schulte, 2005), Treatment Self-Regulation Questionnaire (TSRQ)-intrinsic motivation for eating (Levesque et al, 2007), Generalized Self-efficacy Scale-personal self-efficacy (Schwarzer, 1995), Rosenberg Self-Esteem Scale-self-esteem (Roth et al, 2008), Social Interaction Anxiety Scale-interpersonal self-efficacy (Stangier et al, 1999), Body Checking Questionnaire-body-shape checking (Vocks, Moswald, & Legenbauer, 2008), Restraint Scale-restraint (Dinkel et al, 2005), Eating Disorder Examination Questionnaire (EDE-Q)-e.g. weight concern (Hilbert & Tuschen-Caffier, 2006), the Subjective Vitality Scale-vitality (Bostic, Rubio, & Hood, 2000), Multidimensional Perfectionism Scale (MPS-F)-e.g.…”