In a study, people played tug-of-war while blindfolded and were told they were pulling in a group on some trials and that they were pulling alone on other trials. When the people thought they were pulling alone, they
a. pulled harder.
b. made less of an effort to pull.
c. did not vary the amount of effort they exerted on any of the trials.
d. were erratic in the amount of effort exerted on the different trials.
A
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The first time a child is inoculated for measles, he responds by crying. The next time he visits the doctor for his booster shot, he cries as soon as he sees the nurse who gave him the first shot. In the context of classical conditioning,
the pain associated with being injected represents the ________ and the nurse represents the ________. a. UCS; CS b. CS; UCS c. UCS; UCR d. CS; CR
What relatively rare sleep disorder involves people acting out the movements and events of their dreams?
A) Insomnia B) Narcolepsy C) REM behavior disorder D) Sleep apnea