Which of the Following Research Designs Is Used to Address

question 25

Multiple Choice

Which of the following research designs is used to address possible selection effects?

• A)Posttest-only designs
• B)Matched-groups designs
• C)Pretest/posttest designs
• D)Correlational designs

---

Definitions:

Indifference Curves

Graphical representations in consumer theory that show combinations of two goods among which a consumer is indifferent.

Downward Sloping

A term often used to describe a graph line indicating a decrease in one variable as another variable increases, such as price and demand.

Indifference Curves

Graphical representations that show combinations of two goods between which a consumer is indifferent.

Perfect Substitutes

Goods or services that can be used in exactly the same way and are interchangeable in consumption without affecting consumer satisfaction.