The current study aimed at developing and conducting a preliminary validation a novel social functioning measure for people with early psychosis. The First Episode Social Functioning Scale (FESFS) was developed to cover many domains specific to this population in their contemporary reality. The self-report version of the FESFS was administered to 203 individuals receiving services in first episode clinics. Scores of the GAF, SOFAS, Social Functioning Scale and BPRS were also obtained for parts of the sample to calculate convergent and discriminant validity. A subgroup also answered the FESFS at several time points during treatment in order to determine sensibility to change. Principal component factor analyses and internal consistency analyses revealed the following nine factors with alphas ranging from 0.63 to 0.80: Friendships and social activities, Independent living skills, Interacting with people, Family, Intimacy, Relationships and social activities at work, Work abilities, Relationships and social activities at school, Educational abilities. Convergent and discriminant validity were demonstrated, as well as sensitivity to change. Clinical and research utility of the FESFS are discussed.
Keywords: Development; Early psychosis; First Episode Social Functioning Scale; Validation.
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