For many affected individuals, despite impairment and distress, autism spectrum disorder (ASD) is recognized and diagnosed late, in school age, adolescence, or even in adulthood, which could be due, among other things, to the use of compensatory strategies such as so-called camouflaging by the respective individual. In order to better investigate and quantify these adaptive and compensatory strategies of individuals with autism, the Camouflaging Autistic Traits Questionnaire (CAT-Q) has recently been developed and validated in the English-speaking world. The CAT-Q is designed to assess the extent of camouflaging behavior, in which autistic individuals consciously or unconsciously attempt to conceal or attenuate their autistic traits in order to better adapt to social situations. So far, however, there is no German-language questionnaire that can be used to validly assess camouflaging. The aim of the planned research project is to psychometrically validate the CAT-Q in German-speaking adolescents aged 13-21 years. The validation of the CAT-Q represents an important basis for further research on the construct camouflaging and can subsequently contribute to an improvement of diagnostics as well as support the development of individual treatment approaches.