Last month someone published a study on the matter, very rigorous, very systematic.
Last year, a team of researchers led by Peter Dawson of the University of Bath published a study on refereeing.
Hambrick has recently published a study on the heritability of practice, using eight hundred pairs of twins.
A few years ago, the center published a study on the challenges facing Vietnam.
The private Tax Policy Center published a study on Sept. 13 with similar conclusions.
Recently, Dr. Nielsen and another group of colleagues published a study on people who live in the highlands of Ethiopia.
Last year, the security firm Renesys published a study on just how hard it would be to shut off the Internet in countries around the world.
McKitrick, assistant professor at Guelph University, published a study on GISS data collection in the Journal of Geophysical Research-Atmospheres in 2007.
The Irish Central Bank published a study on Thursday which showed that Irish households have suffered the most severe wealth destruction in Europe.
In Beijing, I met Benjamin Liebman, a professor at Columbia Law School, who has published a study on "malpractice mobs" in China.
Annette Bentley, president of the American Celiac Society, published a study on celiac disease and religious rites in 1988 in The Journal of General Psychology.
