this study aimed at knowing the psychometric parameters of the antisocial and delictive behaviors questionnaire (adq). specifically, it tried to join evidences of its factor validity and reliability in the milieu of paraíba-brazil, as well as to know the adequacy of a briefed version of this measure. two studies were accomplished. in study 1, the participants were 480 students from high school, with a mean age of 16.2 years old (sd = 1.60), most of them were women (55.1%). in study 2, 1,463 students of elementary school, high school, and university; with ages ranging from 10 to 36 years old (m = 16; sd = 4.41) participated in research, 59.9% were female. they answered the antisocial and delictive behaviors questionnaire and to demographic questions. results supported the psychometric adequacy of this measure, which showed the theorized bi-factor structure. moreover, the purpose of the adq briefed version revealed itself adequate, jointing evidences of factor validity and reliability similar to those of the original version. these findings were discussed based on literature and future researches are suggested as well.