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A researcher is curious about the effect of sleep on students' test performances. He chooses 60 students and gives each two tests: one given after two hours of sleep and one after eight hours of sleep. The test the researcher should use would be a related samples test.
Divisional Managers
Executives responsible for overseeing a particular business division within a company, making strategic decisions to enhance performance and profitability.
Specialize
The process of focusing on a particular area of expertise, skill, or field of study to gain proficiency and efficiency.
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