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Infant monkeys raised with a nourishing wire mother and a nonnourishing cloth mother

The term social clock refers to

Children’s tendency to classify toys and songs as either masculine or feminine is most likely to facilitate the process of

Nutrients and oxygen are transferred from a mother to a fetus through the

A critical period is a phase during which

On which of the following tasks are 55-year-old adults most likely to perform just as effectively as they could 30 years earlier?

Which of the following represents the correct order of Piaget’s stages of cognitive development?

According to Piaget, schemas are

The awareness that things continue to exist even when they are not perceived is known as

At age 12, Sean is happy, self-reliant, and has a positive self-image. It is most likely that Sean’s parents are