Which of the Following Is Not a Rule for Conducting

question 18

Multiple Choice

Which of the following is not a rule for conducting orthogonal contrasts?

• A)The sum of weights for a comparison should not be zero.
• B)The group that is singled out in one comparison should be excluded from any subsequent contrasts.
• C)For a given contrast, the weights assigned to the group(s) in one chunk of variation should be equal to the number of groups in the opposite chunk of variation.
• D)If we give a group a weight of zero then this eliminates that group from all calculations.

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