Psychometric study of the differentiation of self scale-revised in a sample of Spanish adults

Abstract This study analyzes the psychometric properties of Differentiation Self Scale-Revised (DSS-R), an instrument assessing differentiation self Spanish adults through dimensions I Position, Emotional Reactivity, Fusion with Others and Cutoff, a new dimension, Dominance over Others. In Study 1, carried out 1445 subjects, exploratory factor analysis was performed one half participants, confirmatory other, comparing five-factor bifactor models. 2, examining convergent validity, 180 subjects participated completed revised scale Inventory-Revised. Studies 3 4 verified concurrent 401 completing DSS-R State-Trait Anxiety Inventory in 3, 170 Couple Assertion Questionnaire 4. Adequate internal consistency indices evidence construct, validity were found. The use is recommended for population.