The perception is that most studies on distance education or the use of technology are poorly designed or prone to incomplete analyses. This is true of the simple comparison study, where student outcomes are compared to those of students in a traditional course. Such studies are the basis for the often cited conclusion that there is no significant…

Abuses and misuses of statistics are frequent. This digest attempts to warn against these in three broad classes of pitfalls: sources of bias, errors of methodology, and misinterpretation of results. Sources of bias are conditions or circumstances that affect the external validity of statistical results. In order for a researcher to make…