Psychosocial adjustment: Perceived stress
The frequency of distress experienced by the subject will be measured using four items with the German version of the Perceived-Stress Scale (PSS-4). On a 5-point Likert scale, parents are asked to indicate how often they felt stressed during the last year (e.g., “In the last 12 months, how often have you felt difficulties were piling up so high that you could not overcome them?“), with a higher score indicating higher chronic stress. The PSS-4 has an internal consistency of Cronbach’s α = .72 [