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I understand the excitement about #GRExit, and it makes for good departmental PR, but where is the evidence that it is not a useful predictor of grad school success? 1/2
Many are making the mistake of looking at students accepted into programs and saying their GRE scores don& #39;t predict performance. But that& #39;s not the issue! 2/
Rather, you want to know how otherwise similar students with lower GRE scores who *didn& #39;t* get accepted would have fared if admitted. This is an unobservable counterfactual. 3/
It& #39;s the same fallacy that leads Google to falsely conclude that GPA is irrelevant to job performance - https://www.nytimes.com/2013/06/20/business/in-head-hunting-big-data-may-not-be-such-a-big-deal.html?partner=socialflow&smid=tw-nytimesbusiness.">https://www.nytimes.com/2013/06/2... Sure, conditional on being hired at Google, it may not matter, but that is a highly select group. 4/
One could perhaps make a reasonable argument that GRE scores are highly correlated with GPA, and hence aren& #39;t worth the additional information they provide. But then we are back to the problem of having to make bias-prone judgments about strength of school, etc. 5/
If we are trying to diversify our graduate student pool, getting *less* information seems like the wrong direction. 6/
Yes, cost is an issue. But perhaps then departments should put their money where their mouth is and subsidize the cost for applicants instead of ditching it? 7/
