If a Doctor Concludes from Evidence That Having Yearly Physical

question 98

Multiple Choice

If a doctor concludes from evidence that having yearly physical exams helps people stay healthy but has not considered the risk of a selection factor bias, the doctor may ignore the possibility that

• A)healthy people may schedule exams more often than others.
• B)some people have better genes than others.
• C)people who are sick often go to the doctor.
• D)hypochondriacs do the same thing.

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Definitions:

Farm Incomes

The earnings obtained from agricultural activities after expenses are deducted.

Crop

A cultivated plant that is grown on a large scale commercially, especially a cereals, fruit, or vegetable.

Demand

The quantity of a good or service that consumers are willing and able to purchase at various prices during a certain period of time.

Agricultural Commodities

Raw products derived from farming, ranching, and forestry which are traded on commodities markets, such as grains, livestock, and dairy products.