Multiple Choice
A researcher used a pretest-posttest, control group quasi-experimental design.The experimental group had a mean achievement test score of 40 on the pretest and 70 on the posttest.The control group had a mean achievement score of 50 on the pretest and 60 on the posttest.What statistical technique should the researcher use to analyze these data?
A) t-test
B) ANOVA (analysis of variance)
C) ANCOVA (analysis of covariance)
D) chi-square
Correct Answer:
Verified
Correct Answer:
Verified
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