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3. Fifty people were asked to participate in a study on the 5. After ingesting a substance, Yi began to see geometric
3. c (SP 2.B) 5. c (SP 1.A) effects of substances that speed up bodily systems with shapes moving in her field of vision, and she felt as if
4. c (SP 2.B) the hope that the research findings could help people in she was separated from her body. Which of the following
the United States stop using substances that excite neural classifications of psychoactive drugs did Yi likely ingest?
and bodily activity. What is the researchers’ likely target a. Depressant
population to which they want to generalize their results? b. Stimulant
a. All 50 people in the study who used hallucinogens c. Hallucinogen
b. All individuals in the United States who use depressants d. Withdrawal
c. All individuals in the United States who use stimulants
d. All 50 people in the study who used stimulants
4. Dr. Bannion conducted a study on how depressants pro-
duce their effects in the body. Which of the following is the
operational definition that Dr. Bannion most likely used?
a. Participants’ positive mood ratings on a scale from
1 to 10
b. The number of hours participants sleep
c. The level of endorphins in the brain
d. The amount of time spent trying to obtain depressant
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drugs

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54 Unit 1 Biological Bases of Behavior

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54 Unit 1 Biological Bases of Behavior

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