An Urban Community Clinic Wants to Try a New Method

question 48

Multiple Choice

An urban community clinic wants to try a new method of getting drug addicts to kick their addiction. They advertise for participants in their lobby, and allow volunteers to choose to participate either in the treatment or control group. Three months later, they find that 65% of the volunteers are off drugs. This example illustrates the possibility of __________ as a plausible rival hypothesis.

• A) history
• B) maturation
• C) regression artifact
• D) selection

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Definitions:

General & Administrative

Expenses related to the general operation of a company, including salaries of executive personnel, rent, utilities, and office supplies, not directly tied to production.

Transportation Costs

Expenses incurred in the process of moving goods from one location to another.

Manufacturing Company

A business entity that produces goods using raw materials and processes for sale.

Period Cost

Expenses incurred that are not directly tied to the production process, such as administrative, selling, and marketing costs.