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CAQDAS 2014 Pecha Kucha - Stuart Shulman

A fun ramble through the history of my contributions to qualitative software and methods.

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CAQDAS 2014 Pecha Kucha - Stuart Shulman

  1. 1. What have CAT & DiscoverText done for qualitative methodology? Stuart Shulman, Texifter 2014 Conference: Past, Present and Future 25 years of CAQDAS
  2. 2. Stuart Shulman – Texifter Pronounced “Tech-Sifter”
  3. 3. Stuart Shulman – Texifter Circa 1999
  4. 4. Stuart Shulman – Texifter May 2001 Council for Excellence in Government June 2002 National Defense University
  5. 5. Computer Science & NSF Influences: Measure Everything! Stuart Shulman – Texifter How fast? How reliable? How accurate?
  6. 6. Stuart Shulman – Texifter
  7. 7. Stuart Shulman – Texifter
  8. 8. Stuart Shulman – Texifter Inter-Rater Reliability is Key Understanding the landscape of human interpretation better prepares us to face the challenge of machine classification
  9. 9. Stuart Shulman – Texifter Adjudicate Boundary Cases
  10. 10. Stuart Shulman – Texifter “CoderRank for Enhanced Machine Learning” is Patent Pending
  11. 11. Stuart Shulman – Texifter
  12. 12. Stuart Shulman – Texifter
  13. 13. Stuart Shulman – Texifter Labeling, Tagging, or Annotation Improves Machine Learning Over Time
  14. 14. Stuart Shulman – Texifter Iterate Human Coding & Machine-Learning
  15. 15. Stuart Shulman – Texifter Word Sense Disambiguation (Relevance)
  16. 16. Stuart Shulman – Texifter
  17. 17. Stuart Shulman – Texifter
  18. 18. Stuart Shulman – Texifter Naturally Occurring Clusters of Free Text Can Be Discovered Automatically
  19. 19. Stuart Shulman – Texifter Purist A Spectrum of Methods Approaches deep immersion closeness to data antipathy to numbers credible interpretation in-depth analysis contextual subjective experimental mixed method adaptive hybrid flexible approach interdisciplinary quantitative focus on error measurement critical validity and reliability replication & objectivity generalization hypotheses PositivistPluralist
  20. 20. • Free and open source software options • Web-based (crowd source) collaborative tools • Measurement innovation • Free and premium social data collection • Random sampling and keystroke coding • Advanced search and filtering • Deduplication and clustering algorithms • Custom machine learning classifiers • Word sense disambiguation • CoderRank for enhanced machine learning Stuart Shulman – Texifter What have CAT & DiscoverText done for qualitative methodology?
  21. 21. Stuart Shulman – Texifter Dr. Stuart W. Shulman Founder & CEO, Texifter, LLC Research Associate Professor, UMass Amherst Director, Qualitative Data Analysis Program (QDAP) Editor Emeritus, Journal of Information Technology & Politics Contact Information stu@texifter.com http://people.umass.edu/stu/ @stuartwshulman Thanks for Listening!

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