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  • 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 as The Bl
    Blog
  • Hierarchical card sorting: A tool for qualitative research

    This paper by Rick Davies from the Centre for Development Studies describes the use of hierarchical card sorting as a way to elicit the views of development sector staff to gain an understanding of their perceptions of the world around them
    Resource
  • Hierarchical card sorting

    Hierarchical card sorting (HCS) is a participatory card sorting method designed to provide insight into how people categorise and rank different phenomena.
    Method