Newmark C S, Konanc J, Aponte C, Gard B
J Clin Psychol. 1977 Jul;33(3):741-3. doi: 10.1002/1097-4679(197707)33:3<741::aid-jclp2270330329>3.0.co;2-r.
An attempt was made to compare admission MMPI profiles of a matched sample of psychiatric inpatients over a 15- to 20-year period. For both males and females, significant decreases in MMPI indices of psychopathology occurred. Possible reasons for this decrease are presented.
研究人员试图比较15至20年间一组配对的精神科住院患者入院时的明尼苏达多相人格调查表（MMPI）剖面图。结果发现，男性和女性的MMPI精神病理学指标均显著下降。本文还阐述了这种下降可能的原因。
