When Researchers Use ANOVAs to Report Results of Case Studies

question 24

Multiple Choice

When researchers use ANOVAs to report results of case studies that include only one participant, they typically violate the assumption of random selection.How does this action affect the conclusions of the study?

• A) Identify population 1 as all psychology majors, population 2 as all history majors, and population 3 as all physics majors.
• B) State the null hypothesis as college students majoring in psychology, history, or physics do not spend the same amount of money during one semester on average.State the research hypothesis as college students majoring in psychology spend about the same amount of money during one semester on average as do history and physics majors.
• C) State the null hypothesis as college students majoring in psychology, history, or physics spend about the same amount of money during one semester on average.State the research hypothesis as college students majoring in psychology, history, or physics do not spend the same amount of money during one semester on average.
• D) Use the F distribution with 2 and 45 degrees of freedom.

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Definitions:

Mass Production

A method of producing goods in large quantities at low cost per unit, typically using assembly line techniques and standardized parts.

Second Front

In a military context, opening a new operational area of combat to distract or relieve pressure on an existing battlefront.

Prime Minister Winston Churchill

A prominent British statesman who served as the Prime Minister of the United Kingdom during World War II and again in the early 1950s, known for his leadership and oratory skills.

War Labor Disputes Act

Also known as the Smith-Connally Act of 1943, it allowed the U.S. government to seize and operate industries threatened by labor strikes that would interfere with war production during WWII.