Dichotomizing a Numeric Variable Usually Is Done So That

question 29

Multiple Choice

Dichotomizing a numeric variable usually is done so that

• A)one group is high on the variable,and one group is low on the variable.
• B)one group is extreme on the variable,and one group has scores near the middle range on the variable.
• C)overall differences between means on the measured variable are reduced.
• D)overall variance on the measured variable is increased.

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