Understanding Weaken Arguments About Health from Walking

Very Easy Weaken Undermine Argument

A recent survey of local residents indicated that those who walk regularly reported feeling healthier than those who do not. The survey's author concludes that walking leads to improved health.

However, the survey did not take into account the fact that those who walk regularly might also engage in other healthy behaviors, such as eating well or exercising more.

Which of the following, if true, would most seriously weaken the author's conclusion?

Most residents who reported feeling healthier also indicated that they do not consume alcoholic beverages.

Walking is the only form of exercise that most of the respondents engage in.

Many people who do not walk regularly also report feeling healthy.

Residents who walk regularly tend to also eat a balanced diet.

The survey included responses from a diverse age group, including older adults.

Hint

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