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  • Collecting data on sensitive issues

      Image: Polling Booths, by PetroleumJelliffe on Flickr
    Blog

  • In search of Blue Marble Evaluators

    ​You can't see the Earth as a globe unless you get at least twenty thousand miles away from it.  On December 7, 1972, the first photograph was taken of the whole Earth from space.  That photo became known
    Blog

  • Polling booth

    Polling booth is a data collection methodology used to obtain sensitive information from participants.
    Método

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