title: Factor analysis of items on the social introversion and masculinity-femininity scales of the MMPI.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D000704:Analysis of Variance; D004522:Educational Status; D005163:Factor Analysis, Statistical; D005191:Family Characteristics; D005260:Female; D006801:Humans; D007439:Introversion, Psychological; D008950:MMPI; D008297:Male; D001523:Mental Disorders / Q000175:diagnosis; D008875:Middle Aged; D009790:Occupations; D012649:Self Concept; D012737:Sex Factors