What Is the Major Problem Associated with Self-Selection as a Way

question 290

Multiple Choice

What is the major problem associated with self-selection as a way to assign participants to the experimental and control groups?

• A)The treatment necessarily will work in the experimental group because those participants are especially motivated.
• B)The two groups probably will differ on many variables besides whether or not they received the treatment.
• C)Self-selection violates the requirement for informed consent.
• D)Self-selection prevents the manipulation of the independent variable and measurement of the dependent variable.

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Definitions:

U.S. Prices

A general term referring to the level of prices or cost of living in the United States, often assessed through indicators like the Consumer Price Index.

Vertical Axis

In a graph or chart, the y-axis along which numerical values are plotted to measure the outcome variable.

Price Level

The current mean cost of goods and services across the full economic production.

Money Demand

The desired holding of financial assets in the form of money, which varies inversely with the interest rate.