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 matched pairs t-test.

Question

Quizplus · Accepted Answer

Since the same group of students took both tests and their scores are being compared, a matched pairs t-test would be appropriate. This is because the two test scores are paired and the comparison involves the same population.

A Researcher Is Curious About the Effect of Sleep on Students