Studies by other researchers with similar results to the hockey stick contain the same glitch, he says. (heatisonline.org)
They also work with other researchers in different fields such as biology, engineering, physics, medical science and environmental science. (politics.co.uk)
He examined the work of other researchers who had reported problems with the use of pictures and who found that a word without a picture was superior to a word plus a picture. (newscientist.com)