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Version date fsQCA: March, 2017 (revisions in progress).
Version date fsQCA manual: August, 2010 (revisions in progress).
PLEASE consult my book, Redesigning Social Inquiry (University of Chicago Press, 2008):
1. Description of the "fuzzy-set truth-table" procedure: see chapter 7 of Redesigning Social Inquiry.
2. How to interpret the solutions produced by the "Standard Analysis" button in the truth table procedure (both crisp and fuzzy). See Redesigning Social Inquiry, chapters 8 and 9.
3. How to "calibrate" fuzzy sets using interval-scale variables. See chapters 4 and 5 of Redesigning Social Inquiry.
4. How "consistency and coverage" are calculated and how to interpret these measures. See chapter 3 of Redesigning Social Inquiry.
Successive versions of QCA and fsQCA have been developed by Charles Ragin and Sean Davey. Updated versions of fsQCA are posted every 3-6 months.