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Question : Which of the following an example of a matched pairs : 84360

Which of the following is an example of a matched pairs design?

A. A teacher compares the scores of students using a computer based method of instruction

with the scores of other students using a traditional method of instruction.

B. A teacher compares the scores of students in her class on a standardized test with the

national average score.

C. A teacher compares the pretests and posttest scores of student.

D. A teacher calculates the average of scores of students on a pair of tests and wishes to see

if this average is larger than 80%.

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