If, while using the nonequivalent control group design, the researcher discovers that groups differ on the pretest measure, one technique which can be used to statistically equalize the groups on the pretest is ____________________
a) factor analysis
b) Analysis of Variance (ANOVA)
c) parallel forms pretesting
d) Analysis of Covariance (ANCOVA)
d
Political Science
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In practically all international conflicts, peaceful strategies for resolving those conflicts are in competition with violent approaches
Indicate whether the statement is true or false.
Political Science
Which of the following is not a disadvantage of a within subjects design?
a. fatigue b. attrition c. order effects d. less statistical variance
Political Science