The Physical Examination Records of the Incoming Freshman Class of 1935

question 4

Multiple Choice

The physical examination records of the incoming freshman class of 1935 at the University of Minnesota are examined in 1980 to see whether their recorded height and weight at the time of admission to the university are related to their chance of developing coronary heart disease by 1981. Which of the following study designs most appropriately characterizes this situation?

• A) Cross-sectional study
• B) Case-control study
• C) Prospective cohort study
• D) Historical prospective cohort study
• E) Clinical trial

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Definitions:

Sunk Costs

Costs that have already been incurred and cannot be recovered, which should not influence future business decisions.

Economic Decisions

Choices made by individuals, firms, or governments regarding the allocation of resources to satisfy needs and wants.

Marginal Decision Maker

is an individual or entity that makes choices based on the additional cost or benefit of the next unit of consumption or production.

Comparative Advantage

The ability of an entity to produce a good or offer a service at a lower opportunity cost than others, leading to more efficient trade.