March 2016
Beginner to intermediate
232 pages
12h 12m
English
Content preview from Exploratory Factor Analysis with SASBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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How Many Factors?
Scholars have been arguing
about this issue for the better part of a century. There are many
who will argue passionately that one method is superior to another,
and some methods do seem to be more defensible than others. However,
it seems to me that much of the argument comes from a high-stakes
mentality where researchers are attempting to confirm one factor structure
as superior to another. Let us again repeat our mantra for this book:
EFA is exploratory and should be considered a low-stakes process.
There are many guidelines for how to decide the number of factors to extract from an analysis. After all, your statistical software will extract as many factors as there are variables in the analysis, and since our goal is dimension ...
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