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Research Criteria – Content Quality
Well, if you're looking to find a good teaching resource online, then the quality of teaching support materials is very important. Most of the best sites are now using high quality video, as well as tab and chord support material.
Therefore the following point system has been used to score content quality:
Written material: 1-4 points
Audio material: 5-8 points
Poor quality video: 9-12 points
Medium quality video: 13-16 points
High quality, multi camera video: 17-20 points
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