This post cites a study that suggests that audio conferencing might be better than video conferencing for learning. "Taking 198 people, in 99 pairs, doing 30 minute sessions and six tasks, (the researchers) found that video dampened or impaired then ability to speak in turns and get the problems solved." Why? Audio "allows us to take an almost intimate role in the conversation," suggests Donald Clark. "It also reduces cognitive load for novices, a major inhibitor in learning." If this is true, I suggested on Twitter, then it should also be true for in-person learning. But probably there's more going on than was captured in this study.
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