Principal Components Versus Principal Axis Factoring
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چکیده
Note that SPSS does not provide statistical significance tests for any of the estimated parameters (such as loadings), nor does it provide confidence intervals. Judgments about the adequacy of a oneor two-component model are not made based on statistical significance tests, but by making arbitrary judgments whether the model that is limited to just one or two components does an adequate job of reproducing the communalities (the variance in each individual measured x variable) and the correlations among variables (in the R correlation matrix).
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