Multiple Choice
A researcher is interested in doing a study comparing the effectiveness of two different approaches to teaching spelling. One approach is phonics-based, and the other is not. She randomly assigns 30 first grade children to the phonics-based approach and 30 children to the other approach. Her dependent variable is the number of words the children spell correctly on a 100-word spelling test. In order to compare the groups, what inferential test should she use?
A) Chi-square test for contingency tables
B) Partial correlation coefficient
C) t test for independent groups
D) Post hoc analysis of variance
Correct Answer:
Verified
Correct Answer:
Verified
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