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53% (01:06) correct
47%
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A recent study found that people who exercise regularly tend to experience lower levels of stress than those who do not. The researchers concluded that exercising regularly helps reduce stress.
Which of the following, if true, would most strengthen the researchers’ conclusion?
A) People who exercise regularly also tend to have healthier diets, which can contribute to lower stress levels.
B) The study controlled for other factors, such as diet and sleep patterns, that could influence stress levels.
C) Many people who do not exercise regularly report feeling less stressed than those who do.
D) The study was conducted on a group of professional athletes who engage in intense exercise daily.
E) People who experience high stress levels often find it difficult to maintain a regular exercise routine.
Which of the following, if true, would most strengthen the researchers’ conclusion?
A) People who exercise regularly also tend to have healthier diets, which can contribute to lower stress levels.
B) The study controlled for other factors, such as diet and sleep patterns, that could influence stress levels.
C) Many people who do not exercise regularly report feeling less stressed than those who do.
D) The study was conducted on a group of professional athletes who engage in intense exercise daily.
E) People who experience high stress levels often find it difficult to maintain a regular exercise routine.
30 Jan 2025, 22:50
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A recent study found that people who exercise regularly tend to experience lower levels of stress than those who do not. The researchers concluded that exercising regularly helps reduce stress.
Which of the following, if true, would most strengthen the researchers’ conclusion?
A) People who exercise regularly also tend to have healthier diets, which can contribute to lower stress levels.
B) The study controlled for other factors, such as diet and sleep patterns, that could influence stress levels.
C) Many people who do not exercise regularly report feeling less stressed than those who do.
D) The study was conducted on a group of professional athletes who engage in intense exercise daily.
E) People who experience high stress levels often find it difficult to maintain a regular exercise routine.
Answer and Explanation:Which of the following, if true, would most strengthen the researchers’ conclusion?
A) People who exercise regularly also tend to have healthier diets, which can contribute to lower stress levels.
B) The study controlled for other factors, such as diet and sleep patterns, that could influence stress levels.
C) Many people who do not exercise regularly report feeling less stressed than those who do.
D) The study was conducted on a group of professional athletes who engage in intense exercise daily.
E) People who experience high stress levels often find it difficult to maintain a regular exercise routine.
Correct Answer: B) The study controlled for other factors, such as diet and sleep patterns, that could influence stress levels.
Concept:
A Strengthen question asks you to provide evidence that makes the argument stronger.
Here, the argument is that exercise helps reduce stress. However, just because people who exercise tend to have lower stress does not mean that exercise is the cause. There could be other factors, such as healthy eating or better sleep, that contribute to lower stress levels.
A strong answer should remove alternative explanations and increase confidence that exercise is truly responsible for lower stress.
Why B is correct?
- If the study controlled for diet and sleep, it means these factors did not influence the results.
- This strengthens the argument by ensuring that exercise alone is responsible for lower stress.
- It eliminates a major weakness in the study, making the conclusion more reliable.
- A) People who exercise regularly also tend to have healthier diets, which can contribute to lower stress levels.
- This weakens the argument!
- If diet also lowers stress, then we cannot be sure that exercise is the main cause.
- C) Many people who do not exercise regularly report feeling less stressed than those who do.
- This directly contradicts the argument.
- If some non-exercisers feel less stressed, then exercise might not be the real reason for lower stress.
- D) The study was conducted on a group of professional athletes who engage in intense exercise daily.
- This makes the study less generalizable because professional athletes are not representative of the average person.
- It does not strengthen the idea that exercise works for everyone.
- E) People who experience high stress levels often find it difficult to maintain a regular exercise routine.
- This suggests that stress affects exercise habits, not that exercise reduces stress.
- It does not strengthen the argument’s cause-and-effect relationship.
- Find the conclusion → What is the author trying to prove?
- Here: Exercise reduces stress.
- Look for alternative explanations → What else could cause lower stress?
- Maybe diet, sleep, or personality play a role.
- Pick the choice that removes doubts → The best answer eliminates other possibilities and shows that exercise is the key factor.
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