In a previous study, it has already been determined that a common ADD treatment is effective, but researchers want to determine what dosage level is most appropriate. You set up an experiment to consider the factor of dosage with two levels (300mg vs. 500mg).  What would be the different treatment groups of the experiment within each block? Three groups: no drug/300mg of new drug/500mg of new drug Three groups: placebo/300mg of new drug/500mg of new drug Two groups: 300mg of new drug/500mg of new drug Two groups: placebo/ either 300 or 500mg of new drug

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter6: Ratio, Proportion, And Probability
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In a previous study, it has already been determined that a common ADD treatment is effective, but researchers want to determine what dosage level is most appropriate. You set up an experiment to consider the factor of dosage with two levels (300mg vs. 500mg).  What would be the different treatment groups of the experiment within each block?

  1. Three groups: no drug/300mg of new drug/500mg of new drug
  2. Three groups: placebo/300mg of new drug/500mg of new drug
  3. Two groups: 300mg of new drug/500mg of new drug
  4. Two groups: placebo/ either 300 or 500mg of new drug

 

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