At Main Street Elementary School, the third grade teachers wanted to compare four different ways of teaching spelling. Each quarter all of the teachers used the same instructional strategy for teaching spelling and they used a different strategy each quarter. They recorded students' grades in spelling each quarter. This is an example of a:

Question

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This is a repeated measures design because the same group of students is exposed to all four instructional strategies, and their performance is measured after each strategy is applied.

At Main Street Elementary School, the Third Grade Teachers Wanted