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14 Jun 2025, 01:26
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B
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
35%
(medium)
Question Stats:
72% (01:43) correct
28%
(01:49)
wrong
based on 172
sessions
History
Date
Time
Result
Not Attempted Yet
Science reporter: In an experiment, scientists fed one group of mice an ordinary diet and fed another group a diet fortified with the microbes found in yogurt. The mice then explored a maze made up of tunnels and uncovered paths. The mice on the fortified diet ventured out of the tunnels twice as often as the other mice did, suggesting that the mice on the fortified diet felt less anxiety about being out in the open. This shows that the differences in the mice's diets affected their anxiety levels.
Which of the following, if true, would most strongly support the science reporter's conclusion?
A. In addition to having the added microbes, the fortified diet differed from the ordinary diet by having significantly fewer calories.
B. The microbes found in yogurt produce a chemical known to lower anxiety levels.
C. In a second experiment conducted to check the results of the first, the diets of the two groups of mice were switched, and then the mice ran the maze again.
D. Dietary changes can affect mice's sensitivity to light and thereby affect the strength of their preference for dark, enclosed spaces.
E. The anxiety levels of mice affect their behavior in many ways that the scientists could have easily observed during the experiment.
Which of the following, if true, would most strongly support the science reporter's conclusion?
A. In addition to having the added microbes, the fortified diet differed from the ordinary diet by having significantly fewer calories.
B. The microbes found in yogurt produce a chemical known to lower anxiety levels.
C. In a second experiment conducted to check the results of the first, the diets of the two groups of mice were switched, and then the mice ran the maze again.
D. Dietary changes can affect mice's sensitivity to light and thereby affect the strength of their preference for dark, enclosed spaces.
E. The anxiety levels of mice affect their behavior in many ways that the scientists could have easily observed during the experiment.
13 Jul 2025, 22:03
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Conclusion:
Dietary Changes > Less Anxiety
Strengthening Scenarios:
1. Dietary Changes cause Less Anxiety
2. No Other Factors cause Less Anxiety
A. Weakens. Calories > Less Anxiety
B. Strengthens. Microbes in Yoghurt (Change in Diet) > Less Anxiety
C. We don't know the results of second experiment.
D. Weakens. Sensitivity of Light > Less Anxiety
E. Trap Answer. It is rather the assumption of the argument.
Answer B
Dietary Changes > Less Anxiety
Strengthening Scenarios:
1. Dietary Changes cause Less Anxiety
2. No Other Factors cause Less Anxiety
A. Weakens. Calories > Less Anxiety
B. Strengthens. Microbes in Yoghurt (Change in Diet) > Less Anxiety
C. We don't know the results of second experiment.
D. Weakens. Sensitivity of Light > Less Anxiety
E. Trap Answer. It is rather the assumption of the argument.
Answer B
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