In teenage friendships, the strongest predictors of friendship dissolution are differences in sex and the degree to which children were liked by other children.
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Fewer than 1 in 4 friendships that started in the seventh grade were maintained across the next school year and fewer than 1 in 10 friendships that started in the seventh grade survived the transition from middle school to high school. Only one percent of friendships that began in the seventh grade continued to the 12th grade.
The strongest predictors of friendship dissolution were differences in sex, differences in the degree to which children were liked by other children, differences in physical aggression, and differences in school competence. By far the strongest predictor was differences in sex, other-sex friendships were almost four times more likely to dissolve than same-sex friendships.
The next strongest predictor was differences in physical aggression, followed by differences in school competence, and differences in being liked by other children.
Laursen said that dissimilarity was bad for friendships, adding that it causes conflict, it interferes with cooperative activities and shared pleasures, and it creates circumstances where one friend bears more costs, such as the friend who is less aggressive or gets more benefits. The study is published in the journal Psychological Science.
Source-ANI