Validación de la versión española del inventario de asertividad Gambrill y Richey en población con diagnóstico de esquizofrenia

Objective: To validate the Spanish version of the questionnaire Gambrill and Richey Assertiveness for people with schizophrenia. Method: he sample comprised a total of 125 people with schizophrenia on treatment in one of the psychosocial rehabilitation centers participating in the study. The instruments used to assess convergent and discriminant validity are the Communication Skills Questionnaire(CSQ); the Social Functioning Scale(SFS); the Life Skills Profile(LSP); the Clinical Global Impression Scale(CGI) and the Global Functioning Scale (GAF). Results: Internal consistency of the instrument shows a Cronbach alpha of .935 in the full scale . The intraclass correlation coefficients to assess the instrument's internal consistency ranged between .21 and .78. The instrument shows a convergent validity with CSQ scale and the subscales of communication and social isolation (p < .001-.05). With the rest of social functioning subscales shows divergent validity. With the CGI shows divergent validity with the probability of response, and convergent validity between the subscales of CGI and the degree of distress subscale of the instrument (p < .012.042). Conclusions: The instrument shows good psychometric characteristics and appears useful for assessing social skills in a sample of people with schizophrenia.