It shared the headline finding but not the questionnaire, survey methods or calculation used to find losses.

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Conducted by the Northern Ireland Statistics and Research Agency, the survey involved a self-completion questionnaire given to more than 6, 000 post-primary school children in 62 schools.

BBC: Report highlights pupils' attitudes

To describe the prevalence of binge drinking, the CDC analyzed data from its 2011 Behavioral Risk Factor Surveillance System, an annual telephone survey, and the national 2011 Youth Risk Behavior Survey, an anonymous questionnaire completed by high school students nationwide.

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Like much of the previous research on coffee, the study was based on survey data -- in this case, a single questionnaire distributed in the mid-1990s -- that may provide an incomplete picture of the participants' overall health and lifestyle.

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The survey took the form of a questionnaire sent out to the 1, 161 fellows of the association.

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Those who continued to rely solely on their medication scored 33.5 in the St George's Respiratory Syndrome Questionnaire - a survey which asks patients questions such as how often they have coughed, wheezed or brought up phlegm.

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Highlights from the survey as well as the full report and questionnaire form have been completed.

UNESCO: Opinion survey

In the questionnaire, 61% of the people who replied to the survey said they did not want to see an increase in maximum contributions.

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Even so, in a recent survey done at the University of Chicago Medical Center, 45 percent of internists who filled out the anonymous questionnaire said they had used a placebo at some time during their clinical practice.

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