A Researcher Assesses Participants' Attitude Toward Marijuana, Presents Them with a Persuasive
Multiple Choice
A researcher assesses participants' attitude toward marijuana, presents them with a persuasive communication favoring liberalization of marijuana laws, and then reassesses their attitude toward the drug. However, between assessment 1 and assessment 2, the President also advocates liberalization of marijuana laws. If the researcher doesn't use a control group, any differences that he or she observes are likely to be caused by _____ effects.
A) maturation
B) history
C) regression
D) testing
Correct Answer:
Verified
Correct Answer:
Verified
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