作者: Wendy S. Slutske , Nikole J. Cronk , Kenneth J. Sher , Pamela A. F. Madden , Kathleen K. Bucholz
DOI: 10.1037/0893-164X.16.4.308
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摘要: Alcohol expectancies are an important proximal causal risk factor in several models of the familial transmission alcohol use, abuse, and dependence, yet is not well understood. The purpose this study was to examine positive expectancies. Participants were 2,627 14- 22-year-old female twins. Experiences shared by twins, rather than genetic factors, explained most similarity for expectancies, but even larger proportion variation nonfamilial factors. extent which moderated age, race, drinking status, sharing peer groups also examined.