Second messengers are formed in the

When researchers want to estimate the national crime rate, why do they ask only several thousand persons about their experiences with crime?

a) Only some people will take the time to answer such a survey. b) These people live in New York City and will give high estimates. c) The people surveyed are a representative sample of the population. d) The people who are most affected by crime are selected for the survey.

Which of the following statements about the development of self-concept is true?

A) As children move into adolescence, self-concept is increasingly vested in feedback from close friends. B) A large discrepancy between an ideal self and a real self boosts self-esteem. C) In middle childhood, self-descriptions rarely include reference to social groups. D) School-age children often avoid making social comparisons when describing themselves.