A pharmaceutical company will be testing a new "one-dosage fits all" medication for treating depression.The pharmaceutical company has 100 willing test subjects that will undergo a 30-day,double-blind experiment.The experiment uses the following diagram as a guide for administering the medication at various doses,from 5% to 125%. What is the most obvious factor missing from this proposed experiment?
A)A control group
B)A 100% dosage
C)Stratifying must be used.
D)Blocking must be used.
E)Nothing is missing.Basic variations have been accounted for.

Question

A pharmaceutical company will be testing a new "one-dosage fits all" medication for treating depression.The pharmaceutical company has 100 willing test subjects that will undergo a 30-day,double-blind experiment.The experiment uses the following diagram as a guide for administering the medication at various doses,from 5% to 125%.  What is the most obvious factor missing from this proposed experiment?
A)A control group 
B)A 100% dosage 
C)Stratifying must be used. 
D)Blocking must be used. 
E)Nothing is missing.Basic variations have been accounted for.

Quizplus · Accepted Answer

The most obvious factor missing from this proposed experiment is a control group. A control group is a group that does not receive the medication being tested, and is used as a baseline for comparison. Without a control group, it is difficult to determine if the medication is actually producing positive effects, or if any observed changes are due to other factors.

A Pharmaceutical Company Will Be Testing a New "One-Dosage Fits