| Summary: | The Leibowitz Social Anxiety Scale for Children and Adolescents (LSAS-CA) is a valid and reliable clinician-administered measure of social anxiety symptoms in young people. It has been adapted for self-report completion, and although the psychometric properties of this version of the scale have been examined in Spanish, Hebrew and French language versions, this has not yet been done for the English language version. In the present study, we examined
the factor structure and psychometric properties of the self-report version of the scale (LSAS-CA-SR) in a sample of UK adolescents recruited from schools. The factor structure of the scale was determined in our sample of N = 829; a four-factor structure, with interaction anxiety, interaction avoidance, performance anxiety, and performance avoidance subscales, provided the best fit to the data. Measurement invariance of the scale was demonstrated across age and gender. Psychometric properties of the scale were sound, with good internal consistency (.88 to .97), acceptable test-retest reliability (.45 to .57), and evidence for convergent and divergent
validity.
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