What do the “no significant difference” findings mean for distance education?
Quoting Richard Clark from the introduction to the fifth edition of Thomas Russell’s book, “The NSD media finding in studies where adequate learning occurs can be interpreted to mean that compared treatments are equal in their impact on learning.” In other words, if the amount of learning produced by different media is similar, then each of those media are equally valuable for learning. As long as the message remains the same, it doesn’t matter what media are used to deliver that message – the effect for learning will also remain the same. The “no significant difference” literature in media in education can be further interpreted in two ways. First, the NSD findings demonstrate that delivering education at a distance does no harm. That is, students who opt for distance delivery are not immediately put into a compromised position simply because they are not receiving their education in a “face to face” format. Second, the NSD findings indicate that simply converting a face to face cours
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