Volunteers in a Study Are Assigned Randomly to Groups

question 7

Multiple Choice

Volunteers in a study are assigned randomly to groups.Some of the volunteers receive an herbal supplement that is reputed to control nausea,and some of the volunteers are assigned to a control group to which a placebo is administered.This is an example of a(n)

• A) longitudinal study.
• B) RCT.
• C) meta-analysis.
• D) appraisal tool.

---

Definitions:

Income-Maintenance Programs

Governmental schemes designed to ensure individuals have a minimum income level through benefits or transfers, often to support those unemployed or in poverty.

Elasticity Of Demand

A measure of how much the quantity demanded of a good responds to a change in the price of that good, showcasing consumer sensitivity to price changes.

Political Lobbying

The act of attempting to influence decisions made by officials in the government, most often legislators or members of regulatory agencies.

Marginal Wage Cost Curves

A graphical representation showing how the wage cost changes when an additional unit of labor is hired.