Humanlike features start to develop around 9 weeks after conception. What is the developing human called at this point in development?

Harmful chemicals or viruses that can be transferred from a mother to her developing fetus are called

Which psychologist was most influential in shaping our understanding of cognitive development?

According to Piaget, schemas are

Three-year-old Ziva calls all four-legged animals “kitties.” Her tendency to fit all four-legged animals into her existing conception of a kitten illustrates the process of

In recognizing the inaccuracies of one's own ethnic stereotypes and revising his or her beliefs, an individual most clearly illustrates the process of

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

Piaget claimed that children understand the world primarily by observing the effects of their own actions on other people, objects, and events during the ________ stage.

Gilbert notices that his sausage is sliced into six pieces, whereas his brother's is sliced into nine pieces. He understands, however, that his brother's sausage is not actually any larger than his own. This indicates that Gilbert has by now reached the ________ stage of development.