In this technological age, today's students are faced with on-line educational opportunities at both the high school and post-high school level. many educators wonder how effective such on-line courses really are. imagine you are an educator designing an on-line course. before beginning, you decide to conduct a study about the effectiveness of on-line courses. the research question guiding your study is: how do exam scores of on-line courses compare with exam scores of traditional courses?

your data provides a quantitative comparison of the two types of courses. you determine that test grades are significantly higher when students take on-line courses.
what question would not be appropriate for further quantitative study of the topic of on-line versus traditional courses?
a) what are the strengths and weaknesses of on-line courses?
b) which courses do more students utilize, on-line or traditional?
c) which type of course is completed in the shortest amount of time?
d) which courses have the higher enrollment numbers, on-line or traditional?