In addition, firms need to do some random sampling to ensure guidelines are observed.
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ICM, have gone much further, partly or wholly switching from quota to random sampling.
The best sort of random sampling is one that picks individuals out directly.
Public-health officials already conduct random sampling, so getting the participants to name a few friends too should not be onerous.
The bedrock on which the study is founded is the same as that on which opinion polls are built: random sampling.
The government said it had forbidden the use of the rice, "adopted control measures" and will continue surveillance and random sampling of rice in the city.
The evaluation was based on a random sampling of American opinion toward car brands in seven areas: quality, safety, value, performance, design, technology and environmental friendliness.
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What if you could perform fraud-detection analytics across all of your transactions in real time, instead of across just a random sampling of only a few percent of all those transactions?
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The 2011 GEM report is based on a survey of 140, 000 adults in 54 economies, including 6, 000 just in the U.S. Researchers looked at responses from a random sampling of participants, as well as population data for each of the countries represented, to draw conclusions about entrepreneurial activity in those nations.
MessageLabs, the email-filtering company that Symantec acquired in 2008, posted a set of word maps today measuring the frequency of terms in spam emails from a random one-week sampling of junk mail pulled from the most prolific spam-spewing botnets.
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