Moria conducted a study to see how different levels of sleep deprivation (the lack of sleep) influenced test performance in college students. She was using the

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Moria conducted an experiment to investigate the causal relationship between sleep deprivation and test performance. Therefore, she used the experimental method, which involves manipulating an independent variable (levels of sleep deprivation) and measuring its effect on a dependent variable (test performance).

Moria Conducted a Study to See How Different Levels of Sleep