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The bigger the group, the smaller the chance of interracial friendship

Date:
April 15, 2013
Source:
University of Michigan
Summary:
The larger the group, the smaller the chance of forming interracial friendships, a new study shows.

The larger the group, the smaller the chance of forming interracial friendships, a new University of Michigan study shows.

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Published in the Proceedings of the National Academy of Sciences, the study examines how the size of a community affects the realization of people's preferences for friends. U-M researchers Siwei Cheng and Yu Xie tested their theoretical model using both simulated and real data on actual friendships among 4,745 U.S. high school students.

"We found that total school size had a major effect on the likelihood that students would form interracial friendships. Large schools promote racial segregation and discourage interracial friendships," said Xie, a sociologist with the U-M College of Literature, Science and the Arts, Institute for Social Research and the Gerald R. Ford School of Public Policy.

Their model incorporates the widely held assumption that people prefer to make friends with others of the same race. It also incorporates many other preferences that affect friendship formation. These factors include age, education, hobbies, personality, religious affiliation and political beliefs.

Given these individual preferences, the researchers found that when the size of the social group is small, people have a low likelihood of finding a same-race friend that matches their other preferences. But as the total size of the group increases, people are more likely to find same-race friends who also satisfy their other preferences.

Cheng, a U-M graduate student in sociology, and Xie, who is also affiliated with Peking University, note that their work has implications for other social relationships, such as dating, marriage, political coalitions and business affiliations.

"One potential negative social consequence of the Internet as a social interaction medium in an ever more globalized world is to encourage social isolation and social segmentation by expanding group size immensely," Cheng said.


Story Source:

The above story is based on materials provided by University of Michigan. Note: Materials may be edited for content and length.


Journal Reference:

  1. Siwei Cheng and Yu Xie. Structural effect of size on interracial friendship. PNAS, April 15, 2013 DOI: 10.1073/pnas.1303748110

Cite This Page:

University of Michigan. "The bigger the group, the smaller the chance of interracial friendship." ScienceDaily. ScienceDaily, 15 April 2013. <www.sciencedaily.com/releases/2013/04/130415172310.htm>.
University of Michigan. (2013, April 15). The bigger the group, the smaller the chance of interracial friendship. ScienceDaily. Retrieved December 21, 2014 from www.sciencedaily.com/releases/2013/04/130415172310.htm
University of Michigan. "The bigger the group, the smaller the chance of interracial friendship." ScienceDaily. www.sciencedaily.com/releases/2013/04/130415172310.htm (accessed December 21, 2014).

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