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Andrew Coulson comparison of K-12 per-pupil expenditures to NAEP long-term trends

How to manipulate data and figures

On occasion, students and reporters ask me what makes me trust or distrust folks who claim to be education researchers, and it’s a harder question to answer than one might think. As an historian with some quantitative training, I am eclectic on methods–I have no purity test other than “the evidence and reasoning have to […]