The point of the new lit on preschool is its long-lasting, highly cost-beneficial effects on personality rather than cognitive skills. The weakness of that lit: are the high-quality preschool programs scaleable?
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Seems like just citation bias to me. These people keep reanalyzing Perry Preschool etc. known to be extreme outliers in the literature.https://twitter.com/KirkegaardEmil/status/849992441658826752 …
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Do you see any reason to believe the effect is really negative or is this just noise around the real value of zero?
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I'd guess fluke, but a negative small effect has been found previously in a recent study. It was about math achievement, but I can't find it right now.
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"Beatings will be redoubled until morale improves"
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But the question is what caused the early gains and were they genuine increases in anything that can be called intelligence, or just test sophistication
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Follow these studies with interest since stumbling on to
@charlesmurray. Pls note in some states, "Early Intervention" means age 0-3 interventions for specific needs/disabilities (i.e. speech therapy) and not a Pre-K general program. Many thanks for posting.Thanks. Twitter will use this to make your timeline better. UndoUndo
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