GED Science Practice Test 19
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Avg score: 33% Most missed: “If the results of the experiment showed no change in the blood pressure for the …”

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A pharmaceutical company was testing out a new drug that was intended to lower blood pressure in diabetic patients. Two groups of volunteers were assembled. Group 1 consisted of 200 men, whereas Group 2 consisted of 200 women. All of the trial’s participants were diabetics between the ages of 20 and 50 with similar lifestyles, diet, and general health. Group 2 was given the trial drug, while Group 1 was given a sugar pill as a placebo (fake pill).    
 

GED Science Practice Test 19
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4 Questions

1. If the results of the experiment showed no change in the blood pressure for the members of either group, what conclusion can be made?
2. How could the design of the experiment be improved to eliminate this potential source of error?
3. Which of the following could lead to an error in this experiment?
4. Which of the following is true about the experimental drug trial?