A Researcher Conducts a Statistical Test That Reveals That the Four

A researcher conducts a statistical test that reveals that the four groups analyzed differed. The researcher wants to discover which one or ones of the four differed from the others. The researcher must then perform a post hoc analysis. What will this involve?

A) Design of a second research study, using a new sample
B) Descriptive statistics about the sample demographics
C) Qualitative research generating new themes and ideas
D) A second statistical test using the original data

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