Answer the Question on the Basis of the Following Information

question 128

Multiple Choice

Answer the question on the basis of the following information for four highway programs of increasing scope. All figures are in millions of dollars. The data indicate that

• A) there is no highway program that is economically justifiable on the basis of cost-benefit analysis.
• B) the marginal cost and marginal benefit of Program A are $2 and $9, respectively.
• C) the marginal cost and marginal benefit of Program C are $12 and $21, respectively.
• D) program D is optimal because it maximizes the total benefit.

---

Definitions:

Double-Blind Study

An experimental design in which neither the participants nor the researchers know who is receiving a particular treatment, to prevent bias.

Test-Retest Reliability

A measure of consistency where the same test is administered to the same group of people at two different points in time, and the scores are compared.

Experimenter Effects

Unintended changes in study participants’ behavior due to cues that the experimenter inadvertently conveys.

Representative Sample

A subset of a population that accurately reflects the members of the entire population.