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The article points out the high degree of selection bias with schools and how that can make it very difficult to make apples-to-apples comparisons between scho
by spunker540 9y ago
The article points out the high degree of selection bias with schools and how that can make it very difficult to make apples-to-apples comparisons between schools.
I was just trying to mention ways to compare schools that won't be affected by the selection bias described in the article.
- AstralStorm 9y agoA proper analysis will attempt to identify such factors and how important they are. Since the sample size is big enough it is not impossible to determine how much of the effect is those other measurable factors. Selection bias might be measured by the rejection rates on admission (esp. scores rejected)
- AstralStorm 9y agoSince I cannot edit it anymore, also the self selection bias can be measured (less adequately because questionnaires bring their own problems but still).