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According to Piaget, children come to understand that the volume of a substance remains constant despite changes in its shape during the ________ stage.

Erik Erikson maintained that the two basic aspects of life that dominate adulthood are

The psychologist who noted that talking to themselves enables children to control their behaviors and emotions and master new skills was enhanced by

According to Piaget, assimilation involves

During the course of successful prenatal development, a human organism begins as a(n)

Gender role refers to

Habituation refers to the

Compared with environmentally impoverished rats, those rats housed in enriched environments experienced a dramatic increase in the number of their

When teased by his older sister, 9-year-old Waldo does not cry because he has learned that boys are not expected to. Waldo’s behavior best illustrates the importance of

Use the future perfect. Para el viernes, las aspirantes ya_____________________ (mandar) sus solicitudes.