Genetic and environmental contributions to prosocial behaviour in 2- to 9-year-old South Korean twins: …The best-fitting model indicated that 55%…of the variance in the 2- to 9-year-olds’ prosocial behaviour was due to genetic factors and 45%…was due to non-shared environmental factors. It is concluded that genetic and environmental influences on prosocial behaviour in young South … Continue reading Twins – Korean that is….