Psychometric properties of the mini-social phobia inventory (Mini-SPIN) in a large online treatment-seeking sample

AbstractThe Mini-Social Phobia Inventory (Mini-SPIN) is a brief, three-item measure designed as a screening tool for social anxiety disorder (SAD). This study investigated the Mini-SPIN’s psychometric properties in a series of trials of Internet-delivered treatment. Participants were 993 people seeking Internet-delivered cognitive behavioural therapy for a range of anxiety and mood disorders. Participants completed the Mini-SPIN, and were diagnosed using the Mini International Neuropsychiatric Interview Version 5.0.0 (MINI). They also completed measures of depression, general anxiety, panic, neuroticism and general impairment. The Mini-SPIN’s ability to discriminate between people with and without SAD, within a large sample of people seeking treatment for a range of psychological disorders, was assessed at initial assessment and three-month follow-up. The Mini-SPIN’s criterion group validity, internal consistency, test–retest reliability, construct validity and responsiveness to treatment were also examin...