The autism rating scale (ARS) is an instrument intended to investigate the personal level of experience of individuals with schizophrenia in real-life social situations. It originates from previous qualitative analyses based on in-depth interviews with persons with schizophrenia in clinical and research settings. The Italian adapted version of the ARS is herewith presented, and a brief description of the instrument is reported. The procedures followed for translation, adaptation and training of researchers are described. Lastly, the results on inter-rater reliability are shown.