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">https://twitter.com/sanderwag...

Important caveat:
https://twitter.com/fgeliasw/status/1198968976266727425?s=21">https://twitter.com/fgeliasw/... https://twitter.com/fgeliasw/status/1198968976266727425">https://twitter.com/fgeliasw/...

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/spcorcor1... https://twitter.com/spcorcor18/status/1198994835098808320">https://twitter.com/spcorcor1...