School Year Gains and Summer Losses? In an article for Phi Delta Kappan entitled “Rethinking summer slide: the more you gain, the more you lose” Kuhfeld (2019) uses NWEA MAP test data to show that ...
Years ago, our firm employed a junior investment analyst who left us for supposedly greener pastures. In his exit interview, he told me he was leaving in part because he was great at picking ...
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