A behavior genetic analysis of the tendency for youth to associate according to GPA

被引：19

作者：

Barnes, J. C. ^{[1
]}

Beaver, Kevin M. ^{[2
,4
]}

Young, Jacob T. N. ^{[3
]}

TenEyck, Michael ^{[1
]}

机构：

[1] Univ Texas Dallas, Sch Econ Polit & Policy Sci, Richardson, TX 75080 USA

[2] Florida State Univ, Coll Criminol & Criminal Justice, Tallahassee, FL 32306 USA

[3] Arizona State Univ, Sch Criminol & Criminal Justice, Phoenix, AZ 85004 USA

[4] King Abdulaziz Univ, Ctr Social & Humanities, Jeddah 21413, Saudi Arabia

来源：

SOCIAL NETWORKS | 2014年 / 38卷

关键词：

Homophily; Peer network GPA; Behavior genetic; Active gene-environment correlation (rGE); LARGE SOCIAL NETWORK; PEER; SELECTION; INTELLIGENCE; STABILITY; FRIENDS; SPREAD; ADOLESCENTS; DYNAMICS; SMOKING;

D O I：

10.1016/j.socnet.2014.01.001

中图分类号：

Q98 [人类学];

学科分类号：

030303 ;

摘要：

Behavior genetic research has revealed that many "environmental" variables are partially influenced by genetic factors. Known as gene-environment correlation (rGE), this line of scholarship provides insight on how and why individuals select into certain environments. Juxtaposing this body of evidence with research on peer group homophily-the tendency for peers to resemble one another on certain traits such as academic ability-raised two research hypotheses: (1) youth will associate with peers who receive grades similar to themselves (i.e., homophily for GPA); and (2) a portion of the variance in peer group GPA (i.e., the peer network average GPA) will be explained by individuals' genetic self-selection into the peer group (rGE). The results supported both hypotheses by showing a strong predictive relationship between the target individual's GPA and that of his/her peers and by revealing that 72% of the variance in peer group GPA was explained by genetic influences. (C) 2014 Elsevier B.V. All rights reserved.

引用

页码：41 / 49

页数：9

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