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. which research question would be most appropriate to guide your study? a) what are the strengths and weaknesses of on-line courses? b) how do students' grades compare in on-line versus traditional courses? c) how do standardized exam scores of on-line courses compare with standardized exam scores of traditional courses? d) how does course completion of on-line courses compare with completion of traditional courses?