Analysis of covariance (ANCOVA) is used in the same way as analysis of variance (ANOVA) EXCEPT that
A) in ANCOVA, the effects of a powerful variable are statistically removed from the scores of the dependent measure as part of the analysis.
B) ANCOVA must be done by hand.
C) ANCOVA cannot be used with score data.
D) in ANCOVA, the effects of a powerful variable are statistically removed from the scores of the dependent measure after the analysis.
Question 2
If we have four factors in a factorial design, we have ________ possible main effects.
A) 4
B) 5
C) 24
D) 15
Fill in the blank with the correct answer.
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