Thursday, April 22, 2010

Good teachers help; bad teachers hinder

A study comparing monozygotic and dizygotic twins shows that good teachers can make a kid read to her entire potential, so the heritability of reading ability in their classrooms is 100%.* Bad teachers, on the other hand, can keep kids from reaching their potential, leaving a smaller heritability factor.

*For an explanation of this idea, see this post.

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