Dr Marcus Reviews That Waiting-List Control Groups Are Not Always

question 35

Multiple Choice

Dr. Marcus reviews that waiting-list control groups are not always appropriate even if it would help answer a set of hypotheses. Dr. Marcus notes that one of the major reasons that a waiting-list control group would not be appropriate for a study is:

• A) it would be too costly to include a wait-list control group.
• B) it would be unethical and potentially harmful to delay treatment to research participants.
• C) if there are not enough participants.
• D) if it would require too much time to carry out.

---

Definitions:

Dollar

The official currency of the United States, also used as a standard monetary unit in many other countries.

U.S. Net Capital Outflow

The difference between the purchase of foreign assets by U.S. citizens and the purchase of U.S. assets by foreigners, reflecting the flow of capital from and into the U.S.

U.S. Saving

The portion of income that individuals, businesses, and the government in the United States set aside rather than spending it immediately.

National Saving

The sum of private and public savings in a country, representing the total income remaining after expenditures on goods and services.