When Researchers Use ANOVAs to Report Results of Case Studies

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.