Multiple Choice
An advantage of holding a variable constant rather than using random assignment to form your groups is that
A) holding a variable constant reduces error due to participant differences.
B) holding a variable constant is easier than randomization.
C) holding a variable constant guarantees that there is no systematic relationship between participant characteristics and the treatment conditions.
D) holding a variable constant ensures a nonbiased sample.
Correct Answer:
Verified
Correct Answer:
Verified
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