Biology, 17.10.2019 02:00 cherbears

In an experiment to test whether sleep deprivation affected student exam grades, a group of students (group a) slept their normal amount before coming to the exam. the other group (group b) only had 2 hours of sleep. group b represents the
a. experimental group
b. hypothesis
c. variable
d. control group

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In an experiment to test whether sleep deprivation affected student exam grades, a group of students...

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