A Researcher Wants to Investigate the Effectiveness of Three Versions $\times$

question 31

Multiple Choice

A researcher wants to investigate the effectiveness of three versions of a computer-assisted instructional (CAI) program in math on the achievement of elementary school students in math.The researcher wants to know if the effectiveness of the program would depend on the math aptitude (classified as above and below average) and the gender of the students.What experimental design would you recommend for this study?

• A) 1 \(\times\) 2 \(\times\) 3 factorial design
• B) 3\(\times\) 2 \(\times\) 2 factorial design
• C) Solomon three-group design
• D) Randomized subjects, pretest-posttest, control group design
• E) None of these is true.

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Definitions:

Organization levels

The different layers of authority and responsibility within an organization, typically ranging from senior executives to frontline employees.

Technical

Relating to or involving the practical application of scientific knowledge, especially in a specific professional area or activity.

Agency protocol

Agency protocol refers to the established guidelines and standard operating procedures that members of an organization or agency are expected to follow in their activities or operations.

Effective relationships

Relationships that are successful in achieving desired results or outcomes through good communication, understanding, and mutual respect.