Every time a synapse fires, it emits a tiny burst of electricity. What technology measures this phenomenon?
A. electrocardiogram
B. electroencephalogram
C. echocardiogram
D. electromyogram
Answer: B
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How does an investigator measure the reliability of a test?
a. Determine whether the test is readily available to anyone wishing to use it. b. Determine whether people get about the same score on repeated tests. c. Determine whether the test is equally fair to all types of people. d. Determine whether the test scores predict some other outcome.
Research on the impact of fear-inspiring messages in anti-AIDS films is ____
a. inconsistent with other research on fear-inspiring messages on more general topics b. consistent with other research on fear-inspiring messages on more general topics c. indicative that fear-inspiring messages tend to be very persuasive on anti-AIDS messages d. indicative that no one is persuaded by fear-inspiring messages on anti-AIDS messages
When her boyfriend asks her about today's therapy session, Jamie responds, "It wasn't very fun. My therapist had me sit right next to her trash can, which was brimming full of garbage and half-eaten food. I could almost see the germs jumping right out at me. Now she wants me to touch something I think is contaminated at least once a day every day this week.". Jamie has probably been diagnosed
with ____ and is being treated using ____. a. a specific phobia; exposure b. obsessive-compulsive disorder; exposure c. a specific phobia; systematic rational restructuring d. obsessive-compulsive disorder; systematic rational restructuring
In a study on the effects of sleep on driving performance, sleep would be the a. control group
b. independent variable. c. experimental group. d. dependent variable.