Teegavarapu, S. & Summers, J.D, Case study method for design research, ASME2008

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This paper is for those who do not have the time to read Yin’s case study research book. This paper picks up the main points of that book:

Five components of research:

  • case study questions
  • case study propositions
  • units of analysis
  • logic linking data to propositions
  • criteria to interpret case study results

Case studies answer to questions ‘how’ and ‘why’

Criteria for soundness:

  • construct validity
  • internal validity
  • external validity
  • reliability

Paper compares case study method to other methods used in design research: written survey, interview, experiment. The comparison shows that the case study method is most suitable. Here are some characteristics requirements case study has that the others don’t:

  • should help in constructing theories
  • variables are greater than data points
  • should accommodate indirect observation of variables
  • should be able to elicit implicit and explicit data from the subject
  • should help in data analysis
  • work well with variety of cases within same study
  • facilitate use of a multi-method approach

Posted by Venlakaisa

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