This guy overstates his case somewhat. Consider: "If the original study says an intervention raises math scores by .5 standard deviations and the replication finds that the effect is .2 standard deviations (though still significant), that is considered a success that vindicates the original study!" Why the exclamation point here? The replication study isn't magically more accurate than the original study. If the orig…
I'm sorry, but this is such a ridiculous counter argument I'm speechless. An explanation point as criticism? >How dare he wear tweed, his argument is invalid. >The replication study isn't magically more accurate than the original study. If the original paper finds an 0.5 standard deviation effect and the replication study finds an 0.2 standard deviation effect, that increases our confidence that a real effect was mea…
As in "eats, shoots, and leaves", a little punctuation can totally change the meaning of a sentence. In this case, a period would have expressed agreement while an exclamation point expresses incredulity.