Application
What Does Bootstrapping Look Like?
Now that we are familiar
with the syntax, let us review an example of the use and application
of bootstrap resampling. Remember that EFA is a complex procedure
with lots of effects. It can have many communalities, eigenvalues,
and factor loadings. So although it does not take a terribly long
time with modern computers (it took our computer about 2 minutes to
run 2000 bootstrap analyses and save them to a data file), the process
that takes the longest is examining all the different parameters one
wants to examine.
The analyses in Chapter 3 indicated that the engineering data had two small, clear factors. The sample was relatively small, however, so we could ask whether it is likely that the two-factor ...
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