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Help info req
In message , Janet Baraclough
writes The message from "Mike Lyle" contains these words: I'm assuming that the experiments were carried out with the usual controls, in order to avoid what I think of as "the reading-scheme phenomenon" (impressive results achieved with a new teaching method, but turning out to be just because of the extra attention received by both pupils and teachers). snip At the time I was there, there were no "control beds ", using just stone dust as a dressing, and I have never seen reference to such a comparison being attempted. ISTR that in the article by Colin Shaw I mentioned he talked about comparing beds with and without the rock dust -- Chris French |
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