Really enjoy this lens: the effect size is *too big*. Study reports Cohen’s d=2, as big a mean shift (scaled by stddev) as m/f height diff! twitter.com/simondedeo/sta
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(d=2 is famously also the supposed delta between 1:1 tutoring and 1:30 class instruction, c.f. www-inst.eecs.berkeley.edu/~cs301/fa14/re)
