You Can Generalize the Findings of Your Explanatory Research Study

You can generalize the findings of your explanatory research study to your study population on a logical basis if you have data on ______.

A) relevant variables about the sample and the population that show similarities between the two groups
B) relevant variables about the sample and the population that show major differences between the two groups
C) the reliability and validity of the tools used to measure study variables
D) the sophistication of the research design