A researcher plans to conduct an experiment to test whether a cup of hot milk at night helps people fall asleep faster than usual. In this study, the independent variable is:
a. the amount of time it takes participants to fall asleep.
b. the consumption of hot milk at bedtime.
c. the number of participants drinking hot milk at bedtime.
d. the number of hours each participant sleeps for.
Answer: b
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Researchers use the twin-study method to
A. separate environmental from genetic influences. B. determine how much of our personality is inherited from our parents. C. determine how much of our personality is the result of experience. D. all of the above
Which of the following is not a source of reinforcement in imitation?
a. operant reinforcement b. direct reinforcement c. vicarious reinforcement d. reinforcement of the model
Stacy has lost her wallet with all of her cash, credit cards, and identification in it. She asks herself, "What can I do about this?" Stacy is in the ____ process.
A. reappraisal B. secondary appraisal C. post-appraisal D. primary appraisal
Which of the following statements is true regarding working memory?
A) Working memory is the conscious, reflective part of our mental system. B) The capacity of working memory is far more restricted than that of the sensory register. C) Most school-age children can hold 10 to 12 items in their working memory. D) The capacity of working memory is far greater than that of the long-term memory store.