个人差异,个性变化和兵役的交集:一个双胞胎比较设计
Joseph L Nedelec1, Brian B Boutwell2,3, Kalliopi Theocharidou1
1School of Criminal Justice, University of Cincinnati, Cincinnati, Ohio.
概括
军事征兵决定受到个性的影响,但遗传因素可能会混以前的发现. 双胞胎研究表明,家庭影响很小,尽管外向仍然是一个预测因素.
科学领域:
- 心理学 心理学 心理学
- 社会学 社会学 社会学
- 行为遗传学 行为遗传学
背景情况:
- 报兵是一个自愿的决定,受到各种个人和社会因素的影响.
- 之前的研究发现了性格特征和预测服兵役的社会因素.
- 新兴的定量遗传研究表明,军事征兵可能是部分遗传的,这引发了对先前研究中遗传混的担忧.
研究的目的:
- 为了调查遗传和家族混在预测军事入伍的程度.
- 检查个人层面的因素,包括个性,作为预测兵役的因素.
- 应用基因信息化的方法来控制共享的遗传和家庭影响.
主要方法:
- 使用了来自青少年到成人健康国家纵向研究的1,232名双胞胎的子样本.
- 采用纵向双胞胎比较模型来控制家族因素 (遗传和环境).
- 评估了一系列个人层面的因素,重点关注性格特征,如外向.
主要成果:
- 纵向双胞胎模型通常在控制家族混后产生零结果.
- 对外向和一般人格因素的较高分数与增加入伍的可能性有关,即使考虑到家庭影响.
- 该研究强调了家庭混对理解入伍预测因素的潜在影响.
结论:
- 家庭混,包括遗传和共同的环境因素,是军事征兵研究中的一个重要的方法考虑因素.
- 虽然像外向这样的性格特征显示出一些预测能力,但它们的影响可能部分是由家庭因素解释的.
- 未来关于军事征兵预测因素的研究应该优先考虑基因信息设计,以减轻混,并提供更强大的见解.
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