One of the dangers of surveying students who have paid for access to traditional lecture-format classes is that you are surveying students who have paid for access to traditional lecture-format classes. This is going to skew the results in several ways. First, since they already have access to the classes, they will not value additional access very highly. Second, since they have already paid for the classes, they will resist paying additional money for recordings of the classes. Third, since they have invested in in-person classes, they will not be as likely to view recorded lectures as a suitable substitute. So research conducted of such students will unsurprisingly conclude that "the majority of students rarely used web-based lecture recording technologies (WBLT) and placed a very low monetary value on them, placing into question the high percentage 'positive' and 'appreciative' feedback found in this and earlier studies." If, on the other hand, you survey people who are not students in that particular course, you may well get a very different result (though I would still consider the suggested $50 price tag to be unattainable ($15, as suggested, may be more attainable - but if so, then maybe I have found my retirement career - would you pay $15 for a course of 39 hours of lecture from me in whatever?)). Via Helge Scherlund.
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