You're doing an experiment to test whether students fed a new element, "brainium", will do better on tests. 50 students are fed 250 mg of brainium everyday for a week, and 50 students are fed 250 mg of a placebo (something that looks like brainium, but isn't) everyday for a week. After the week of treatment all students are given the same test. Which are controlled variables? Select all that apply. The test scores. The amount (250 mg). The # of students. The 50 students taking brainium. Time (one week). The 50 students taking the placebo.

You're doing an experiment to test whether students fed a new element, "brainium", will do better on tests. 50 students are fed 250 mg of brainium everyday for a week, and 50 students are fed 250 mg of a placebo (something that looks like brainium, but isn't) everyday for a week. After the week of treatment all students are given the same test. Which are controlled variables? Select all that apply. The test scores. The amount (250 mg). The # of students. The 50 students taking brainium. Time (one week). The 50 students taking the placebo.

Curren'S Math For Meds: Dosages & Sol

11th Edition

ISBN:9781305143531

Author:CURREN

Publisher:CURREN

Chapter16: Adult And Pediatric Dosages Based On Body Surface Area

Section: Chapter Questions

Problem 12SST

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