Kristi works in a day-care center. She notices that Pablo, a 4-year-old boy, often indulges in private speech when doing any activity on his own. She has heard him talking to himself when solving puzzles. Kristi believes in Piaget's theory of cognitive development in children. After seeing Pablo's behavior, Kristi is likely to assume that Pablo's usage of private speech is

Why are people more likely to marry individuals with social and cultural backgrounds very similar to their own? a. parents and other family members always exert pressure to marry within the group. b. people spend a great deal of time alone, and therefore can have few opportunities for meeting people. c. people develop irrational fears of out-group members and are scared to date them. d. people have greater access to individuals like themselves.

The social contact theory states that

Why would someone who is studying the history or culture of this time. find this text interesting important or useful?