Using Social Network Methods to Test for Assortment of Prosociality among Korean High School Students.

ABSTRACT: Assortative interaction among altruistic individuals is a necessary condition for the evolution of cooperation. The requirement for assortment holds regardless of whether a meta-population is subdivided into distinct and isolated subgroups or has ephemeral boundaries with a high migration rate. The assumption, however, is rarely tested directly. In this paper, we develop a method to test for assortment of prosociality in network-structured data. The method is applied to a friendship network collected from 238 Korean students attending the same high school. A mixing matrix was used to explore the presence of assortative friendship among more prosocial individuals. An exponential random graph model of network structure that accounts for additional observed relational propensities (higher-tha

SUBMITTER: Kim JH 

PROVIDER: S-EPMC4411050 | biostudies-literature | 2015

REPOSITORIES: biostudies-literature