A researcher is curious about the effect of sleep on students' test performances. He chooses 50 students and gives each two tests: one given after four hours of sleep and one after eight hours of sleep. The test the researcher should use would be a matched pairs t test.

Question

Quizplus · Accepted Answer

A matched pairs t test is appropriate when comparing two sets of data that are paired, such as in this case where each student takes both tests. It allows for greater control over individual differences that could affect the results.

A Researcher Is Curious About the Effect of Sleep on Students