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Search results for: “hispanic issues”


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    Flashpoints in Polling

    Many people wonder: Can polls be trusted? The following essay contains a big-picture review of the state of polling, organized around a number of key areas.

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    1. Assessing the accuracy of online nonprobability surveys

    To better understand the current landscape of commercially available online nonprobability samples, Pew Research Center conducted a study in which an identical questionnaire was administered to nine samples supplied by eight different vendors along with the Center’s probability-based online panel. A benchmarking analysis – in which a subset of each survey’s results was compared to […]

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    4. The public’s views on the future use of synthetic blood substitutes

    Synthetic blood substitute for much improved physical abilities Respondents to the Pew Research Center survey read the following statement: “New developments are creating the possibility of using synthetic blood substitutes to increase the oxygen level in a person’s bloodstream, giving them increased speed, strength and stamina. Right now, this man-made substitute for blood is being […]

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    4. The public’s views on the future use of synthetic blood substitutes

    Synthetic blood substitute for much improved physical abilities Respondents to the Pew Research Center survey read the following statement: “New developments are creating the possibility of using synthetic blood substitutes to increase the oxygen level in a person’s bloodstream, giving them increased speed, strength and stamina. Right now, this man-made substitute for blood is being […]

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