Don tells Ray he wants to get a new sports car. Ray immediately understands why, because he is familiar with the common characteristics of sports cars and knows what makes them different from family cars. Ray is using mental categories called _____

Authoritarian parents require obedience and use punishment when children do not follow the rules

A. True B. False

Researchers have found that children who use more private speech as they solve problems show higher levels of

a. cognitive development. b. executive functions. c. vocabulary knowledge. d. grammatical development.