How does alertness vary when people go without sleep for several days?
a. It decreases steadily with each passing hour.
b. In general it decreases, but it is better each morning than the night before.
c. It decreases for about 24 hours and then remains constant.
d. It decreases for about 90 minutes, then increases for 90 minutes, and so forth.
b
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The increase in the problem behavior at first when extinction is used is referred to as:
a. generalization b. an extinction burst c. spontaneous recovery d. behavioral escalation
A three-year-old gets scared when her mom dresses up in a dinosaur costume on Halloween. The child shows
a. a phylogenetic development. b. decentration of a possibility. c. lack of object (person) permanence. d. misunderstanding of the appearance/reality distinction.
The chief active ingredient of opium is:
A) morphine. B) codeine. C) methadone. D) heroin.
According to Arnett, which of the following is NOT a feature of emerging adulthood?
a. the age of identity explorations b. the age of settling down c. the age of feeling in-between d. the age of possibilities