Audrey Examines Students' Learning of Science Principles from Interactive Games

question 5

Multiple Choice

Audrey examines students' learning of science principles from interactive games. She randomly assigns the fifth grade students in her study to a control condition with no play time, a timed play condition, or an unlimited time play condition. She also groups her students into either high or low ability groups. She measures her students with a knowledge pretest, a post-test, and a delayed post-test. Which of the following best represents Audrey's study design?

• A) Pretest-posttest control group design
• B) A 3 x 3 factorial design
• C) A 3 x 2 factorial design
• D) A 3 x 2 x 3 factorial design

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Definitions:

Inelastic Demand

A situation where the quantity demanded of a good or service changes little when its price changes.

Close Substitutes

Products or services that can easily replace each other in the eyes of the consumer, resulting in high cross-elasticity of demand.

Grape-Flavored

An adjective describing products, often food or beverages, that mimic the taste of grapes.

Midpoint Method

A technique used in economics to measure the elasticity of a variable without the influence of the starting and ending points.