Saturday, April 24, 2010

Butterfly study: a case study in confirmation bias

COMMENT: On March 18 we put up a brief post titled "Bide our time on butterfly" following extensive ABC coverage of an article in Biology Letters that claims that Early emergence in a butterfly causally linked to anthropogenic warming, namely increases in greenhouse gases. See  ABC reports "Butterflies 'fly early as planet warms'" ABC Science online 17/3/2010, and related reports on  News Online: "Climate change link to butterflies" , The World Today:  "Early butterflies linked to climate change"

The reason for biding our time was to await the results of peer review of a comment on the article MH submitted to   Biology Letters just 2 days after the original was posted online. This week the editor of Biology Letters rejected our submission for various reasons. We intend to re-submit the comment piece after we take reviewer's comments into account. 

To help address issues raised by the reviewers we have requested help from the extensive readership of Watts Up With That. Blog author Anthony Watts has graciously agreed to help and has posted our comments along with the reviewer comments on the WUWT blog. See Butterfly study: a case study in confirmation bias.

We have requested ABC provide some coverage!

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