Validez y confiabilidad de una prueba para evaluar comportamientos lingüísticos en población con discapacidad cognitiva

For this purpose an analytical inferential method was used, related to the validation of measuring instruments: content validity was performed by expert judgment, in which 13 phonoaudiologists participated with experience in care of target population, who assessed the test under the criteria of relevance and adequacy. To establish the validity of confirmatory construct, a factorial analysis was used and the instrument's reliability was determined from the internal consistency of the construct and the test - re test method, applied in 75 users. The results of this study show the internal consistency and stability of the test, as well as content and construct validity.