Consider Mary\'s study of whether the learning of 6th graders on a math lesson i

Question

Consider Mary's study of whether the learning of 6th graders on a math lesson is affected by background noise level. Describe the pros and cons of Mary using a repeated measures design for this study. What would you probably choose to do? Support your responses. Consider Mary's study of whether the learning of 6th graders on a math lesson is affected by background noise level. Describe the pros and cons of Mary using a repeated measures design for this study. What would you probably choose to do? Support your responses.

Explanation / Answer

Ans. Repeated measure design is a study design where we use the same subject for every design conditions.

Pros of using repeated measures design:

1.All the tests are performed on the samesubject (students)eliminating chances ofdifference in the subject such as IQ, age and all other variables remain same in eachcondition.

2.The sample size required will be lower as the different conditions can be tested on thesame subjects.

Cons of using repeated measures design:

1.The entire test is performed repeatedly on same subjects may have some adverse effecton the subject such as fatigue and loss of concentration. This may affect the results.

2.In our test, learning ability of math lesson is the dependent variable. The students

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