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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' sleep and one after eight hours' sleep.The test the researcher should use would be a related samples test.
Central Nervous System
The segment of the nervous system made up of the brain and spinal cord, tasked with consolidating sensory data and reacting appropriately.
Muscles
Tissues in the body that have the ability to contract, making movement possible.
Action
The process or state of acting or being active; in psychology, it often refers to any bodily movement or behavior.
Sympathetic Nervous System
A part of the autonomic nervous system that prepares the body for physical activity and is often referred to as the fight-or-flight response system.
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