_______ reflects the idea that if people can "aggress" in harmless ways, built up aggressive energies will diminish, reducing the odds of further aggressive behaviour.

Whereas Piaget saw cognitive development as a result of individual discovery, Vygotsky attributed it to

biological changes in the brain. unconscious factors. watching others complete activities. social activities guided by others.

Vygotsky's theory includes the idea of

young children as "apprentices in thinking." discovery learning. prescribed curriculum. observation but not participation in children's learning.