G'day! Post today: The Hawthorne effect: An old scientists' tale lingering "in the gunsmoke of academic snipers"<http://blogs.scientificamerican.com/absolutely-maybe/2013/07/26/the-hawthorne-effect-an-old-scientists-tale-lingering-in-the-gunsmoke-of-academic-snipers/> Like a perfect storm of biases, this one. Hilda (So I have 2 blogs now - I joined the Scientific American blog network, and Statistically Funny will continue too.)