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Link: The Science Of Grading Teachers Gets High Marks

skybrian          30 October 2015 10:38 PM


From the article: "Even in Rothsteinís paper critiquing their method, he replicated their results using data from North Carolina public schools. 'Iím not aware of another area of social science where there has been so much replication, in such a short time, and theyíve all found the same result,' Kane said. On the consistency of replicability, Staiger said 'itís just astounding, actually.'"



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Jiro 7 December 2015 11:37 AM
68%

The degree of accuracy you need in order to say "this scientific experiment produced useful and meaningful results" is far less than the degree of accuracy you need to be able to ethically use the results for social engineering. Imagine if 5% or 15% of teachers got fired or had their pay docked because of false positives.


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VoiceOfRa 7 December 2015 09:36 PM
65%

Ethical to whom? The teachers or their students?


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