While Piaget believed that the theories that children develop about their worlds are comprehensive in explaining a variety of phenomena, the ____ hypothesis believes that infants are born with rudimentary knowledge of the world that is elaborated upon based on the child's experiences

Assimilation is to accommodation as:

a) necessary is to optional. b) help is to hinder. c) hinder is to help. d) using is to changing.

Mary Ainsworth observed that securely attached infants

a. do not seem to care when the mother leaves the room and do not seek her out on her return. b. protest loudly when the mother leaves but resist contact with her when she returns. c. cry if the mother leaves the room, are easily soothed, and welcome her back when she returns. d. are not concerned upon separation but cry to be picked up and held on her return. e. allow their parents to do whatever they want, as long as they have their own toys nearby.