<p>The Spanish version of the Minnesota Multiphasic Personality Inven­tory, edited by The University' of Puerto Rico, was given to 85 adolescents of 17 years of age at the Naval Academy in Peru, to show the relationship be­tween department and findings of high scores in the nine original scales. Gen­eral results showed that there is a relationship (a significant one according to statistical terms) between adolescents with poor conduct and scores higher than 70 in one or several of the clinical scales. A statistical correlation on the quality of scales was not possible due to the small N of the sample.</p>