You want to design an experiment to compare the effectiveness of Pepcid AC tablets and Alka-Seltzer tablets. Which of the following facts would be least likely to complicate your experiment and the analysis of your results?
A. PEPCID AC and Alka-Seltzer tablets contain different concentrations of the antacid drug.
B. PEPCID AC and Alka-Seltzer tablets contain different ingredients.
C. The recommended dosage for PEPCID AC and Alka-Seltzer tablets is different.
D. PEPCID AC and Alka-Seltzer tablets are sold in different countries throughout the world.
Answer:D
You want to design an experiment to compare the effectiveness of Pepcid AC tablets and Alka-Seltzer tablets. Which of the following facts would be least likely to complicate your experiment and the analysis of your results?
A. PEPCID AC and Alka-Seltzer tablets contain different concentrations of the antacid drug. B. PEPCID AC and Alka-Seltzer tablets contain different ingredients. C. The recommended dosage for PEPCID AC and Alka-Seltzer tablets is different. D. PEPCID AC and Alka-Seltzer tablets are sold in different countries throughout the world.