Which of the following represents a true experiment designed to evaluate a cause-and-effect relationship between the brain and cognition? Select all that apply. a. A study in which a researcher asks participants to complete a survey about illicit drug use, where all drugs are known to interact with the nervous system. b. A study in which a researcher administers specific doses of an anti-anxiety drug (a neurodepressant) to different groups of participants and then administers an anxiety test every two weeks. c. A study in which a researcher measures neural activity in the frontal cortex of participants while they read a psychology journal article and correlates the activity with a measure of intelligence. d. A study in which a researcher induces lesions in the brains of some rats and compares their performance in a maze to the performance of rats without lesions. e. A study in which a researcher asks all participants to report how much caffeine they drink on a daily basis and then administer a single test of attention.
Which of the following represents a true experiment designed to evaluate a cause-and-effect relationship between the brain and cognition? Select all that apply.
a. A study in which a researcher asks participants to complete a survey about illicit drug use, where all drugs are known to interact with the nervous system.
b. A study in which a researcher administers specific doses of an anti-anxiety drug (a neurodepressant) to different groups of participants and then administers an anxiety test every two weeks.
c. A study in which a researcher measures neural activity in the frontal cortex of participants while they read a psychology journal article and correlates the activity with a measure of intelligence.
d. A study in which a researcher induces lesions in the brains of some rats and compares their performance in a maze to the performance of rats without lesions.
e. A study in which a researcher asks all participants to report how much caffeine they drink on a daily basis and then administer a single test of attention.
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