What is the correct statement about the numbers of teens who engage in sexual intercourse between the ages of 15 and 18?
a. The percentage remains steady from ages 15 to 18.
b. The percentage increases between the ages of 15 and 16 and then levels off.
c. The percentage at 18 is much less than the percentage at 15.
d. The percentage increases dramatically and steadily from ages 15 to 18.
D
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Social conditioning, sociopolitical influences, and bias in diagnosis are factors that help explain ____
a. ethnic and gender differences in mental health b. the impetus for the development of managed health care c. the success of hypnosis and catharsis in changing an individual's behavior d. the increase in the number of mental health professionals in the United States
Most psychologists believe the capacity of short-term memory is limited, in part, because:
a. it takes time to execute the process of rehearsal b. it takes time to transfer information from sensory memory c. chunking interferes with the processing of information d. elaboration interferes with the processing of information
Infants are born with their eyes closed
Indicate whether the statement is true or false
Of the following, which personality characteristic is most associated with the risk of a heart attack?
a. ?a sense of time urgency b. ?hostility c. ?workaholic d. ?competitive