Question

A researcher is interested in how math test scores are affected by the difficulty of the problems and the food that children have eaten immediately before the test. To test this, she has a group of 5 fourth graders solve either easy or difficult math problems after eating vegetables, cupcakes, and cheesy poofs. Every fourth grader solved each kind of problem after eating every kind of food (i.e., took 6 tests). a. List the factors in this study, and, for each one, indicate whether it is a between-subjects factor or a within-subjects factor. b. What is the DV in this study? c. What specific statistical test should be used to analyze these data?

          A researcher is interested in how math test scores are affected by the difficulty of the problems and the food that children have eaten immediately before the test. To test this, she has a group of 5 fourth graders solve either easy or difficult math problems after eating vegetables, cupcakes, and cheesy poofs. Every fourth grader solved each kind of problem after eating every kind of food (i.e., took 6 tests).

a. List the factors in this study, and, for each one, indicate whether it is a between-subjects factor or a within-subjects factor.

b. What is the DV in this study?

c. What specific statistical test should be used to analyze these data?

Added by Felix M.

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