Multiple Choice
Hagemann, Strauss, and Leißing studied the effects of the color of clothing (red versus blue) in referees' judgments of tae kwan do ability. Referees viewed two sets of 11 videos in random order, and each set was counterbalanced. In effect, Hagemann accomplished
A) complete counterbalancing
B) block randomization
C) both a and b
D) none of the above
Correct Answer:

Verified
Correct Answer:
Verified
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