A Critical Comparison of Offline Focus Groups, Online Focus Groups and E-Delphi

  title={A Critical Comparison of Offline Focus Groups, Online Focus Groups and E-Delphi},
  author={Elisabeth Br{\"u}ggen and Pieter Willems},
  journal={International Journal of Market Research},
  pages={363 - 381}
The boom in online marketing research represents one of the fastest-growing segments of the research industry. Although the design and quality of online surveys has received widespread attention, l... 

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