TWINS - A TEST OF THE EQUAL ENVIRONMENTS ASSUMPTION

被引:69
作者
MORRISYATES, A
ANDREWS, G
HOWIE, P
HENDERSON, S
机构
[1] SYDNEY COLL ADV EDUC,INST EARLY CHILDHOOD STUDIES,SYDNEY,AUSTRALIA
[2] AUSTRALIAN NATL UNIV,MRC,SOCIAL PSYCHIAT RES UNIT,CANBERRA,ACT 2600,AUSTRALIA
[3] AUSTRALIAN NATL UNIV,NH SOCIAL PSYCHIAT RES UNIT,CANBERRA,ACT 2600,AUSTRALIA
关键词
environment; genetics; neuroticism; twin study;
D O I
10.1111/j.1600-0447.1990.tb05457.x
中图分类号
R749 [精神病学];
学科分类号
100205 ;
摘要
We asked a sample of 343 adult same‐sex twin pairs a number of questions about the similarity of their social environment during childhood and early adolescence. A factor analysis of their responses indicated that their common environment was derived from two sources, one being similar treatment “imposed” upon them by their parents, the other being “elicited” by the twins’ similar interests and behavior. Monozygotic (MZ) twins reported experiencing more similar “imposed” and “elicited” environments than dizygotic (DZ) twins. The extent of imposed similar treatment received during childhood and early adolescence was unrelated to either MZ or DZ twins’ current behavioral similarity, as indicated by absolute intrapair differences in their Neuroticism, Anxiety, and Depression scores. Similar treatment imposed upon MZ twins on the basis of their zygosity alone is therefore not a threat to the validity of the twin method.; Copyright © 1990, Wiley Blackwell. All rights reserved
引用
收藏
页码:322 / 326
页数:5
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