Collective narcissism - a belief in in-group greatness that is not appreciated by others - is associated with using one's group for personal benefits. Across one pilot and four studies, we demonstrated that collective narcissism predicts readiness to conspire against in-group members (rmeta-analysis = .24). In Study 1, conducted in Poland (N = 361), collective narcissism measured in the context of national identity predicted readiness to engage in secret surveillance against one's own country's citizens. In Study 2 (N = 174; pre-registered), collective narcissism in UK workplace teams predicted intentions to engage in conspiracies against co-workers. In Study 3 (N = 471; pre-registered), US national narcissism predicted intentions to conspire against fellow citizens. Furthermore, conspiracy intentions accounted for the relationship between collective narcissism and beliefs in conspiracy theories about the in-group. Finally, in Study 4 (N = 1064; pre-registered), we corroborated the link between Polish national narcissism and conspiracy intentions against fellow citizens, further showing that these intentions were only directed towards group members that were perceived as moderately or strongly typical of the national in-group (but not when perceived in-group typicality was low). In-group identification was either negatively related (Studies 1 and 2) or unrelated (Studies 3 and 4) to conspiracy intentions (rmeta-analysis = .04). We discuss implications for research on conspiracy theories and populism.

中文翻译：

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他们自己最大的敌人？集体自恋者愿意密谋反对他们的团体。

集体自恋 - 一种不被他人欣赏的群体内伟大的信念 - 与利用群体谋取个人利益有关。在一项试点和四项研究中，我们证明了集体自恋预示着准备密谋反对团体内成员（rmeta 分析 = .24）。在波兰 (N = 361) 进行的研究 1 中，在民族认同的背景下测量的集体自恋预示着准备好对本国公民进行秘密监视。在研究 2（N = 174；预注册）中，英国工作场所团队的集体自恋预测了参与针对同事的阴谋的意图。在研究 3（N = 471；预注册）中，美国民族自恋预测了密谋反对同胞的意图。此外，阴谋意图解释了集体自恋与对群体内阴谋论的信念之间的关系。最后，在研究 4（N = 1064；预注册）中，我们证实了波兰民族自恋与针对同胞的阴谋意图之间的联系，进一步表明这些意图仅针对被认为是中度或强烈典型的群体成员。国家内群体（但不是当感知到的群体典型性较低时）。群体内认同与阴谋意图呈负相关（研究 1 和 2）或无关（研究 3 和 4）（rmeta 分析 = .04）。我们讨论了对阴谋论和民粹主义研究的影响。预注册），我们证实了波兰民族自恋与针对同胞的阴谋意图之间的联系，进一步表明这些意图仅针对被视为中度或强烈典型的国家群体的群体成员（但不是当被感知时组内典型性很低）。群体内认同与阴谋意图呈负相关（研究 1 和 2）或无关（研究 3 和 4）（rmeta 分析 = .04）。我们讨论了对阴谋论和民粹主义研究的影响。预注册），我们证实了波兰民族自恋与针对同胞的阴谋意图之间的联系，进一步表明这些意图仅针对被视为中度或强烈典型的国家群体的群体成员（但不是当被感知时组内典型性很低）。群体内认同与阴谋意图呈负相关（研究 1 和 2）或无关（研究 3 和 4）（rmeta 分析 = .04）。我们讨论了对阴谋论和民粹主义研究的影响。进一步表明，这些意图仅针对被认为具有中等或强烈典型性的群体成员（但当感知到的群体典型性较低时）。群体内认同与阴谋意图呈负相关（研究 1 和 2）或无关（研究 3 和 4）（rmeta 分析 = .04）。我们讨论了对阴谋论和民粹主义研究的影响。进一步表明，这些意图仅针对被认为具有中等或强烈典型性的群体成员（但当感知到的群体典型性较低时）。群体内认同与阴谋意图呈负相关（研究 1 和 2）或无关（研究 3 和 4）（rmeta 分析 = .04）。我们讨论了对阴谋论和民粹主义研究的影响。