Mathematics, 21.04.2020 16:59 moneymaleia9264
A study is designed to evaluate the impact of a daily multivitamin on students’ academic performance. One hundred sixty students are randomly assigned to receive either the multivitamin or a placebo and are instructed to take the assigned drug daily for 20 days. On day 20, each student takes a standardized exam and the mean exam scores are compared between groups. This study is an example of a
a. Randomized Control trial.
b. case-control study
c. cohort study
d. crossover trial
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A study is designed to evaluate the impact of a daily multivitamin on students’ academic performance...
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