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Fuzzy Set and QCA Analysis

1st October 2018 @ 8:00 am - 5:00 pm


Organised by The University of Manchester
Presenter Wendy Olsen
(Professor of Socio-Economics)
Date 01/10/2018
Venue University of Manchester
Map View in Google Maps  (M13 9PL)
Contact CMI Short Courses
[email protected]
0161 2751980
Description Qualitative Comparative Analysis is a systematic method of studying data on multiple comparable cases from about N=8 through to large datasets of N=10,000 etc. The QCA methods firstly involve casing, i.e. delineating cases; secondly organising a systematic data matrix (we will show these in NVIVO and in Excel); thirdly examining sets of cases known as configurations; fourth interpreting these in terms of ‘necessary cause’ and ‘sufficient cause’ of each major outcome of interest.  We demonstrate the fsQCA software for QCA. A fuzzy set is a record of the membership score of a case in a characteristic or set.  A crisp set is a membership value of 0 (not in the set) or 1 (fully in the set), and thus is a simplified measure compared with a fuzzy set. Fuzzy sets or crisp sets, and combinations, can be used in QCA.  All the permutations of the causal factors, known as X variates, are considered one by one.  We test whether X is necessary, or sufficient, or both, for an outcome Y.  We then augment the standard measures of ‘consistency’.  We show that one can generate both within-group and sample-wide consistency levels for testing sufficient cause.
Level Intermediate (some prior knowledge)
Cost £195 (£140 for those from educational, government and charitable institutions)
Website and registration
Region North West
Keywords Evaluation Research, Analysis of existing survey data, Qualitative Data Handling and Data Analysis, Mixed Methods Data Handling and Data Analysis, Mixed Methods Approaches (other), Qca , qualitative , comparative analysis , fuzzy set analysis , dataset , mixed-methods , multiple-methods , triangulation , evaluation methods
Related publications and presentations Evaluation Research
Analysis of existing survey data
Qualitative Data Handling and Data Analysis
Mixed Methods Data Handling and Data Analysis
Mixed Methods Approaches (other)


1st October 2018
8:00 am - 5:00 pm
NINE DTP - a collaborative partnership funded by the ESRC