Same value-added models that imply good teachers raise kids’ test scores also imply they make kids taller. Hmm. https://twitter.com/sanderwagner/status/1198940790623539201
Important caveat:
https://twitter.com/fgeliasw/status/1198968976266727425?s=21 https://twitter.com/fgeliasw/status/1198968976266727425
And since the tweet I originally quoted is gone, here’s one better: good thread from an author clarifying what they do/don’t show:
https://twitter.com/spcorcor18/status/1198994835098808320?s=21 https://twitter.com/spcorcor18/status/1198994835098808320
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