A self-report scale was constructed to measure work ethic and included three
conceptually derived components of work ethic. Maximum likelihood factor
analysis was then applied with the request of 3 factors to determine if the
conceptually derived components actually represent empirical factors. Is
this an appropriate/acceptable manner of evaluating the factor structure of
the scale? Also, my version of SPSS (6.0) reports percent of variance
accounted for by each factor, but doesn't indicate if this is common variance
or total variance. Does someone know which variance is reported. Is maximum
likelihood factor analysis used with either principle components or principal
factors analysis? I would appreciate any explanation someone might offer. I
have had difficulty finding any explanation on the web concerning these
issues. Kary
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