The best is a randomized clinical trial in which a hypothesis is tested on a sampling of a population, with only one half receiving the drug or intervention being tested.
Nielsen calculates a network's overall viewership based on a sampling of about 13,000 households nationally.
Chitika based its estimate on a sampling of millions of ad impressions in North America.
To test the products' claims, Diane Madfes, a New York dermatologist, examined the ingredient lists on a sampling of mind-body beauty items.
But based on a sampling of three productions it is a strong year, with not a willfully misguided staging among them.
The rating system was based on a sampling of more than 1,000 television homes scattered around the United States.
That study, based on a sampling of borrowers, found that 26 percent of borrowers who entered repayment in 2005 became delinquent but did not default.
A 2008 study found that Filipinos made up roughly 14 percent of the cruise staff, based on a sampling of 116 ships.
The index of the Conference Board, a business research group, based on a sampling of 5,000 households nationwide, rose to 115.5 in May from 109.9 -- suggesting that people see an improved outlook for the economy six months from now.
Supervisor Lombardi said that state equalization rates were typically based on a sampling of far too few parcels of land in each community and as a consequence are generally an inaccurate measurement.
OCEAN TOWNSHIP Township of Ocean Historical Museum "Loved Ones Go to War: Local Stories of World War II," exhibition that highlights the impact of the war on a sampling of local veterans and those they left behind.
