Tag Archives: VAM

Explained Variation Is Not A Measure of Importance

Back in early April the American Statistical Association put out a “Statement on Using Value-Added Models for Educational Assessment“. Last month, Raj Chetty, John Friedman, and Jonah Rockoff issued a response, in part because so many commentators seemed to misunderstand the ASA statement and in part because the ASA seemed not to have incorporated some […]

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VAM and Status Quo Bias

Yesterday at This Week in Ed I wrote about the American Statistical Association’s report on value-added modeling in education: [I]f you were to hear about this report only from the staunchest, most ideological opponents of VAM, you would think it says something else entirely. Valerie Strauss, for instance, claims the report “slammed” the use of VAM […]

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TWIE: Paying Teachers For Master’s Degrees is (Still) A Bad Idea

As I said at This Week in Ed, I seriously doubt paying teachers for MAs is a good use of money: The most common and intuitive defense of the master’s degree is probably that we should pay for it because we should value the professional qualifications of our teachers. Why shouldn’t we reward teachers who have invested […]

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Outcome Measures Are What You Get When You Don’t Have Best Practices

Stephen Sawchuk reports that everybody involved – including the unions – is ready to sign off on the inclusion of student learning outcome measures (e.g., VAM) in new accreditation standards for teacher preparation programs. The language itself is a little squishy about exactly which measures should be used, but it’s not surprising that this is […]

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