The Possibility That Biological Factors Might Play a Role in Explaining

Multiple Choice

The possibility that biological factors might play a role in explaining individual differences in prosocial behaviour is supported by research that

A) there are particular "helping circuits" in the brain.
B) there are excellent animal models for altruism.
C) has found greater similarity in self-reported altruism and empathy among pairs of identical twins than among pairs of fraternal twins.
D) has found greater similarity in self-reported altruism and empathy among pairs of fraternal twins than among pairs of identical twins.