Reply to Caltech “Bucket System” for SAT / ACT

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[quote=Anonymous][quote=Anonymous][quote=Anonymous][quote=Anonymous]This does not make sense to me. How does 770 equate to a 34?  A 770 is the equivalent to a 35 or possibly even a 36.[/quote]

I imagine the people at CalTech have done the math on this one.[/quote]

That is an interesting question because CalTech is slightly misaligned relative to the actual concordance tables. I suspect that it is because they detect a bigger difference at a 33.

If they want to keep the buckets balanced they needed to push 770 down to create two 30 point buckets for the SAT side. They stated that the differences are small so I doubt bucket A or bucket B will matter at all.their goal is to get more 750s to apply, not hurt kids with 770.[/quote]

I don't think they ever mentioned relying on concordance tables, and whatever the test company's concordance tables say, there isn't one single objective way to equate two tests that very different. What matters to Caltech is seeing how specific SAT and ACT scores relate to outcomes _at Caltech_. They can use their own data reach their own conclusions.

And if a different schools used their own internal data to link SAT and ACT scores to grade outcomes, they might find something different. I could imagine different schools defining very different buckets. I doubt a humanities-oriented school would find the same correlations. [/quote]

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