The social contagion of generosity.
The social contagion of generosity.
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慷慨的社会传染。
DOI：
10.1371/journal.pone.0087275
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发表时间：
2014
期刊：
影响因子：
3.7
通讯作者：
Macy MW
中科院分区：
文献类型：
--
作者：
Tsvetkova M;Macy MW
当帮助得到直接回报或社会回报的可能性很低时，为什么人们会帮助陌生人？一种可能的解释是，这些行为具有传染性：那些接受或观察陌生人帮助的人更有可能帮助他人。我们测试了慷慨在陌生人之间的社会传染的两种机制：广义互惠(慷慨接受者更有可能将慷慨向前传递)和第三方影响力(慷慨行为的观察者更有可能效仿慷慨行为)。我们使用随机试验的在线实验，通过操纵参与者接受和观察帮助的程度来测试这两种假设的机制及其相互作用。结果表明，接受帮助可以增加对他人慷慨的意愿，但观察帮助可能会产生相反的效果，特别是对那些没有接受过帮助的人。这些结果表明，观察普遍的慷慨可能会削弱人们认为需要自己努力的信念。
Why do people help strangers when there is a low probability that help will be directly reciprocated or socially rewarded? A possible explanation is that these acts are contagious: those who receive or observe help from a stranger become more likely to help others. We test two mechanisms for the social contagion of generosity among strangers: generalized reciprocity (a recipient of generosity is more likely to pay it forward) and third-party influence (an observer of generous behavior is more likely to emulate it). We use an online experiment with randomized trials to test the two hypothesized mechanisms and their interaction by manipulating the extent to which participants receive and observe help. Results show that receiving help can increase the willingness to be generous towards others, but observing help can have the opposite effect, especially among those who have not received help. These results suggest that observing widespread generosity may attenuate the belief that one’s own efforts are needed.
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影响因子：
2.2
作者：
Ben-Ner, A;Putterman, L;Magan, D
通讯作者：
Magan, D
影响因子：
3.1
作者：
DIEKMANN, A
通讯作者：
DIEKMANN, A
影响因子：
3.5
作者：
Greiner, B;Levati, MV
通讯作者：
Levati, MV
影响因子：
8.2
作者：
BIKHCHANDANI, S;HIRSHLEIFER, D;WELCH, I
通讯作者：
WELCH, I
影响因子：
64.8
作者：
Bond, Robert M.;Fariss, Christopher J.;Jones, Jason J.;Kramer, Adamd. I.;Marlow, Cameron;Settle, Jaime E.;Fowler, James H.
通讯作者：
Fowler, James H.