Researchers randomly assigned adolescents to either a single-grade classroom or a mixed-grade classroom. This is an example of a __________.
A) naturalistic observation
B) case study
C) natural experiment
D) field experiment
Correct Answer:
Verified
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Q101: What is a major disadvantage of cross-sectional
Q103: A sequential design _.
A) does not address
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A) the
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A) investigators
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A)
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A) allows researchers to
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Q127: Ethical standards permit deception in research studies
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