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Re: [Phys-L] review of Middle school science texts(1961) (early PER?)

From: brian whatcott <betwys1@sbcglobal.net>
Date: Sun, 26 Nov 2017 23:42:37 -0600

On 11/26/2017 5:17 PM, bernard cleyet wrote: /in part/

/snip/ Harper’s Index (May 2001) “Chance that a page in the middle school textbook (Science Insights) contains a serious factual error : 1 in 10" /snip/

....As opposed to PhD thesis submissions for which the ten year error rate is said to be 50%?

Brian W

Follow-Ups:
- Re: [Phys-L] review of Middle school science texts(1961) (early PER?)
  - From: bernard cleyet <bernard@cleyet.org>

References:
- [Phys-L] review of Middle school science texts(1961) (early PER?)
  - From: bernard cleyet <bernard@cleyet.org>

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