Which of the following statements about individual differences in early vocabulary growth is true?
A) Boys are slightly ahead of girls in early vocabulary growth.
B) Shy toddlers' vocabularies typically increase slowly after they start to speak.
C) Children from low-SES homes usually have smaller vocabularies than their higher-SES agemates.
D) Boys and girls' vocabularies tend to develop at the same rate.
Answer: C
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What do research findings gathered by psychologists Paul Costa and Robert McCrae indicate about the "big five" personality traits?
A. They vary with lifestyle changes. B. They vary based on social and psychological factors. C. They change across adulthood. D. They appear stable across adulthood.
The most common cause of brain damage in children is closed head injury
a. True b. False Indicate whether the statement is true or false
Chris sings in a volunteer community chorus because he enjoys the feeling he gets when he masters a complicated piece of music. His behavior reflects:
a. self-handicapping strategy c. overjustification b. intrinsic motivation d. extrinsic motivation
Alicia is horrified to hear that her date from last night carries the human immunodeficiency virus. While they did not engage in sex, they did share a quick kiss at the end of the evening, hastened by her phone ringing in her apartment
Besides discussing her concerns with her date should they go out again, what precautions should Alicia take? a. She should see her doctor immediately, since kissing can cause the spread of HIV. b. She should see her doctor only if she begins to have symptoms. c. She should try to calm down, since stress helps transmit HIV. d. She should try not to worry, since kissing has not been proven to be a successful way to transmit HIV, and follow-up with her doctor or other health-care provider if she has concerns or questions.