Multiple Choice
If J = 3, which of the following sets of contrasts is orthogonal?
A) 1- 2, 1- 3
B) 2+ 3, 2- 3
C) 1- 3, 1( 2+ 3) /2
D) 1- 3, 2-( 1+ 3) /2
Correct Answer:

Verified
Correct Answer:
Verified
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