Suppose a New Social Casework Program Is Offered to Students

question 28

Multiple Choice

Suppose a new social casework program is offered to students with high levels of truancy. If those students placed in the program by their families have significantly less truancy after participating than the students who did not participate in the program, then we can conclude that:​

• A) ​the program effectively reduces truancy.
• B) a selection bias might explain away the difference.​
• C) causality cannot be inferred because of the lack of covariation.​
• D) some clients benefited, so the program has value.​

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Definitions:

Perfect Competition

Perfect competition describes a market structure where numerous small firms compete against each other, and goods are homogeneous, leading to no single firm having market power and prices being determined purely by supply and demand.

Economic Profits

The excess of total revenues over total costs, including both explicit and implicit costs.

Perfect Competition

An ideal market structure characterized by infinite buyers and sellers, identical products, and no barriers to entry or exit.

Perfect Competition

A market structure characterized by many sellers and buyers, homogenous products, and no barriers to market entry or exit, leading to optimal pricing and efficiency.