This summer, they are conducting a more rigorous study of the level of the contaminants.
The National Academy of Sciences undertook its first rigorous study of global warming in 1979.
degree blends rigorous study of science or math with coursework in areas like communication, project management and business basics.
The N.F.L. is conducting its own rigorous study of 120 retired players, with results expected within a few years.
This is a statistically rigorous study of studies, rather than a mere summary of the literature.
And a far more scientifically rigorous study of 1,500 women, published a year later in The Journal of the National Cancer Institute, found no relationship at all.
Now it happened that by rigorous study of that day's "Post" writer had discovered that Leonard is, in fact, taller than Hagler.
Although there has been no rigorous study of the program's effectiveness, security officials have said that anecdotal evidence suggests that lines have been moving more quickly.
In 1995, the safety board undertook its most rigorous study of the air-tour industry, examining 139 accidents from Alaska to Hawaii to Maine.
If I'm after a rigorous study of a theme or an event, I'd rather sit down with an Errol Morris, or a Robert Greenwald, or - more recently - Spike Lee's unembellished, award-winning film about Hurricane Katrina.
Along with a group of ten or so mid-level campaign workers, Bird conducted a rigorous study of the President's victory over McCain, analyzing what had worked in 2008 and what had not.
