What Is the Key Flaw in Studies of the Effect

question 35

Multiple Choice

What is the key flaw in studies of the effect of exercise on mental abilities in which comparisons are made between regular exercisers and sedentary adults?

• A) The exercisers use so many different forms of exercise that we can't be sure what works.
• B) Sedentary subjects may actually exercise somewhat but not report it.
• C) Those who choose to exercise may be different in other significant ways from those who choose to be sedentary.
• D) The samples of exercisers are normally younger than the samples of sedentary adults to whom they are compared.

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Definitions:

Not Apparent

A term used to describe something that is not visible or easily observable.

Treacherous

Characterized by betrayal or deception, often describing terrain that is dangerously unstable or unpredictable.

Medical Attention

Professional care or treatment provided by healthcare providers to address and manage a person's health concerns.

Multiple Sites

Refers to several locations or platforms where activities or operations occur.