Narcissism is a complex, hierarchical construct that can be studied at the one, two, or three factor levels with different components within each level having their own unique nomological networks. The manner in which narcissism—both broadly and narrowly construed—is linked to aggression is important to understand given longstanding clinical and empirical observations of a link between the two and the critical implications of aggression.

中文翻译：

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自恋与攻击性之间的关系：荟萃分析

自恋是一种复杂的分层结构，可以在一个、两个或三个因素水平上进行研究，每个水平内的不同成分都有自己独特的法则网络。鉴于对两者之间联系的长期临床和经验观察以及攻击性的关键影响，理解自恋（广义和狭义解释）与攻击性相关的方式很重要。