Business, 28.01.2020 05:31 mimithurmond03

Dr. sullivan is conducting a clinical trial to determine if vitamin z can improve test performance of students in an introductory college nutrition course. dr. sullivan puts all the students' names in a hat and draws names to determine if they will be placed in the control or the experimental group. the experimental group receives a capsule of vitamin z and the control group a "sugar pill" that tastes and looks identical to the vitamin z capsule. neither dr. sullivan nor the participants knows who is receiving which treatment. this experiment is best described

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