The Idea That Advances in Social Behaviour Are Linked to Advances

The idea that advances in social behaviour are linked to advances in cognitive development is supported by evidence

A) from physical perspective-taking tasks.
B) that changes in the behaviours children display in peer interaction appear stage-like.
C) that training children in social problem-solving skills can be effective.
D) linking neurological changes in middle childhood to changes in the nature of children's peer relations.