Cancer Cluster Investigation St Michael's School


SCIENCE 101: WEIGHT-OF-EVIDENCE

December 22, 2010

What does ?weight-of-evidence? mean and how is it calculated?

The wrong way to calculate ?weight-of-evidence? is to collect as many peer-reviewed scientific studies as possible and then identify which ones show harmful effects and which ones show no effects and place them on a scale. This is the way Health Canada calculates weight-of-evidence. They refer to ?thousands? of studies showing no effect.

The right way to calculate ?weight-of-evidence? is to collect as many peer-reviewed scientific studies as possible and then identify which ones show harmful effects and which ones show beneficial effects and then place them on a scale.

To read more visit: http://www.magdahavas.com/2010/12/22/science-101-weight-of-evidence/


Informant: Martin Weatherall



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