Multiple Choice
In a ______, both the participants and the researchers who interact with the participants do not know which participants are assigned to the different groups.
A) double-blind design
B) tri-blind design
C) multi-blind design
D) single-blind design
Correct Answer:
Verified
Correct Answer:
Verified
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Q16: _ is a source of bias that
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Q18: Confounding variables primarily threaten the _ of
Q20: External validity can be reduced by _
Q21: Explain the difference between construct validity and
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