Studies demonstrate that religious people are more likely to donate money to charity, but these donations are more often given to in-group members (e.g., religiously affiliated organizations). Few studies test mechanisms by which religious attendance affects the bias toward in-group giving. Moral foundations are proposed as mediators of the association between religious attendance and the in-group giving bias, and traditional God concept is proposed as a moderator of the relation between attendance and moral foundations. Data were collected from Christians in the USA. (N = 311), and participants were given an opportunity to donate their payment to Christian (in-group), Muslim (out-group), or secular charities. The traditional God concept variable moderated the indirect effect of the fairness/reciprocity foundation in explaining the relation between religious attendance and giving. People with highly traditional God concepts and higher religious attendance reported higher fairness/reciprocity scores, and they gave less to in-group charities and more to out-group charities.

中文翻译：

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宗教服务出勤率、道德基础、上帝观念和团体奉献：测试调解调解

研究表明，有宗教信仰的人更有可能向慈善机构捐款，但这些捐款更常提供给团体内成员（例如，宗教附属组织）。很少有研究测试宗教出席会影响群体内捐赠偏见的机制。道德基础被提出作为宗教出席与群体内给予偏见之间关联的中介，而传统的上帝概念被提议作为出席与道德基础之间关系的调节。数据来自美国的基督徒。（N = 311），参与者有机会向基督教（团体内）、穆斯林（团体外）或世俗慈善机构捐款。传统的上帝概念变量调节了公平/互惠基础在解释宗教出席与捐赠之间的关系时的间接影响。具有高度传统上帝观念和较高宗教出席率的人报告了更高的公平/互惠分数，他们对团体内慈善机构的捐赠较少，而对团体外慈善机构的捐赠较多。