Multiple Choice
A researcher wanted to see how watching movies influenced subjects' IQ scores. She gave IQ tests to subjects following each of two movies. Half of the subjects first saw Titanic followed by Schindler's List , while the other half first saw Schindler's List and then Titanic . Varying the movie order is an example of
A) counterbalancing.
B) random sampling.
C) selection bias.
D) practice effects.
Correct Answer:
Verified
Correct Answer:
Verified
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