Which Results Are MOST Likely from an Epidemiological Study

question 53

Multiple Choice

Which results are MOST likely from an epidemiological study?

• A) The rate of suicide is higher in Ireland than in the United States.
• B) Autism is caused by influenza vaccinations.
• C) Child abuse is often found in the backgrounds of those with multiple personalities.
• D) Alcoholism runs in families.

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Definitions:

Physiological Factors

Biological components that can affect the functioning of the body and influence health, such as genetics, hormone levels, and nutritional status.

Regressive Tax

At the individual level, a tax whose average tax rate decreases as the taxpayer’s income increases. At the national level, a tax for which the average tax rate (= tax revenue/GDP) falls as GDP rises.

Income Groups

Categories of individuals or households segmented by income levels, often used for statistical analysis and policy design.

Proportional Tax

At the individual level, a tax whose average tax rate remains constant as the taxpayer’s income increases or decreases. At the national level, a tax for which the average tax rate (= tax revenue/GDP) remains constant as GDP rises or falls.