The vocabulary of a 6-year-old child is from 8,000 to 14,000 words, whereas the vocabulary grows by another _____ words between the ages of 9 and 11

A family with a young son decides to move from a poor, inner-city neighborhood to a small town because their first-grade son is wanting to dress like the "gangstas" he sees on his street and at school. Is this an effective strategy?

a. No, because moving creates instability, which leads to a greater risk of externalizing problems. b. No, because a tendency to externalizing problems is completely genetic. c. Yes, because kids in these kinds of neighborhoods are at greater risk of developing externalizing problems. d. Yes, because kids in these kinds of neighborhoods are at greater risk of developing internalizing problems.

Technically speaking, sex differences are sets of behaviors and attitudes associated by society with being male or female and expressed publicly by the individual

a. true b. false