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:

Smuggling

The illegal trade or transportation of goods, people, or contraband across borders, bypassing legal procedures or avoiding taxes and regulations.

White Americans

Individuals residing in the United States who identify as having origins in any of the original peoples of Europe, the Middle East, or North Africa.

Tecumseh

A Native American leader of the Shawnee and a large tribal confederacy which opposed the United States during Tecumseh's War and the War of 1812.

Speech to the Osage

refers to a specific historical address or set of remarks made to the Osage Nation, likely involving topics relevant to this Native American people and their interactions with the U.S. government or other entities.