| A | B |
| All mental activities associated with thinking, knowing, and remembering | cognition |
| Optimal period shortly after birth when an organism's exposure to certain experiences produces proper development | critical period |
| Biological growth processes that enable orderly changes in behavior | maturation |
| Concepts or mental frameworks that organize and interpret information | schemas |
| In Piaget's theory, the inability of the preoperational child to take another person's point of view or to understand that symbols can represent other objects | egocentrism |
| In Piaget's theory, the stage (from about 2 to 6 or 7 years of age) during which a child learns to use language but cannot yet think logically | preoperational stage |
| In Piaget's theory, the stage (from birth to about 2 years of age) during which infants learn about the world through their sensory impressions and motor activities | sensorimotor stage |
| In Piaget's theory, the stage of cognitive development (from about 6 or 7 to 11 years of age) during which children gain the mental skills that let them think logically about concrete events. | concrete operational stage |
| In Piaget's theory, the stage of cognitive development (beginning about age 12) during which people begin to think logically about abstract concepts and form strategies about things they may not have experienced | formal operational stage |
| Interpreting new experiences in terms of existing schemas | assimilation |
| Pioneer in the study of developmental psychology who introduced a stagea theory of cognitive development that led to a better understanding of children's thought processes | Jean Piaget |
| Style of parenting marked by making demands on the child, being responsive, setting and enforcing rules, and discussing the reasons behind the rules | Authoritarian parenting |
| Style of parenting marked by making demands on the child, being responsive, setting and enforcing rules, and discussing the reasons behind the rules | Authoritative parenting |
| Style of parenting marked by submitting to children's desires, making few demands, and using little punishment | Permissive parenting |
| Awareness that things continue to exist even when you cannot see them or hear them | object permanence |