This article first identifies a number of factors relevant to evaluating AI-generated instructional video, and then applies these to an evaluation of four platforms: Colossyan, Synthesia, HeyGen, and NotebookLM. I've tried the first and last; the middle two want me to sign up, which I don't feel like doing. The factors are mostly based on the idea of 'learning as remembering' and focus on such things as spacing and retrieval. Nothing about engagement, practice or application in real life. Philippa Hardman (or her AI) gives high marks to the first two, but to me the first is just a talking head with a slide turner - nothing compelling at all (though it's similar to the e-learning my employer offers as mandatory training). This tells me that either the criteria are wrong or the ranking is wrong. Or both.
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