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A comment on High-quality schools can increase academic achievement among the poor (2010). Parent comment

Re:High-quality schools can increase academic achievement am... by silvestrov on Thursday May 31, 2018 @06:23AM (#17195245)
> there would be no significant difference between the students in the study

I didn't say this. I say that you can't generalise to students NOT in the study, i.e. students with parents who didn't care to participate in the lottery.

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Re:High-quality schools can increase academic achievement am... by croon on Thursday May 31, 2018 @06:59AM (#17195403)
Of course you can. You can control for the factor/variable you said was the "single most important", which is done through the design of the study, by your own admission. And then look at results from the other factors.

Whether your factor is important or not doesn't even enter the picture.

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