Christy wants to determine the influence of sleep on academic performance. blindly, she divides her volunteers into two groups-a control group that will sleep the standard 8 hours a night and a second group that will sleep 5 hours a night. what type of study is christy conducting?

The type of study that Christy is conducting is the randomized controlled trial. This is referred as a scientific experiment of which it has the goal of aiming of reducing bias when they are to test a new treatment, they are likely to use control groups.

your answer would b. the missisipi river

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answer; in small towns;