If a Control Group Experiences Resentful Demoralization Because Its Members

question 14

Multiple Choice

If a control group experiences resentful demoralization because its members realize that they are not receiving desired program benefits, it is possible that

• A) attrition will increase among the members of the experimental group.
• B) an effective program will look less effective than it is.
• C) the program will look more effective than it is.
• D) the performance of the control groups will improve.

---

Definitions:

Differentiated Oligopolists

Firms within an oligopoly market structure that sell products or services that are distinguishable from each other through branding, quality, or other features.

Herfindahl Index

A measure of market concentration that squares and sums the market share percentages of all firms within an industry.

Four-Firm Concentration Ratio

The four-firm concentration ratio is a measure used to assess the competitiveness of a market by calculating the combined market share of the four largest firms within an industry.

Herfindahl Index

A measure of the size of firms in relation to the industry and an indicator of the competition level among them.