Learned helplessness among the institutionalized elderly: a pilot study.
D000203:Activities of Daily Living; D000368:Aged / Q000523:psychology*; D004532:Ego; D005260:Female; D006801:Humans; D007326:Institutionalization; D007389:Internal-External Control; D008297:Male; D010865:Pilot Projects; D011581:Psychological Tests; D013239:Stereotyped Behavior