The Schulz paper is exactly the one I was thinking of - thanks to everyone who spotted it. Another interesting suggestion was the Lanarkshire Milk Experiment, which was critiqued by Student in this very readable paper from as far back as 1931: http://www.jstor.org/stable/10.2307/2332424
You may leave the list at any time by sending the command
SIGNOFF allstat
to [log in to unmask], leaving the subject line blank.
|