Kappan Contributor: Bruce Torff

Nullius in verba

What’s the proof tests are any good? How do you know these tests provide a valid and reliable measure of student performance?

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Getting it wrong on threats to teacher quality

In the debate over how to increase teacher quality, there are those who argue that the greatest impediment to effective teaching is a lack of content expertise. After surveying principals, Mr. Torff reports that deficiencies in the skills needed to teach the content pose a bigger threat to high-quality teaching.

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