qfactor: A command for Q-methodology analysis
Abstract. In this article, I introduce qfactor, a new command for Q-methodology
analysis. Q-methodology is a combination of qualitative and quantitative techniques
for studying subjectivity. Its quantitative component is based on a byperson
factor analysis, usually followed by a factor-rotation technique. Currently,
only a handful of programs with limited capability are available for Q-methodology
analysis, and none of them are in the major commercial statistical programs such
as Stata, SPSS, and SAS. qfactor offers an attractive set of options, including
different factor-extraction and factor-rotation techniques in Stata. The use of
qfactor is illustrated using a dataset representing 40 individuals’ perceptions on
marijuana legalization.
View all articles by this author:
Noori Akhtar-Danesh
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qfactor, Q-methodology, by-person factor analysis, bipolar factor extraction
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