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. 2024 Aug 6;24:171. doi: 10.1186/s12874-024-02299-y

Table 2.

Number of latent dimensions

Test/Criteria Scor Ocor Mcor
Empirical Kaiser criterion 1 1 2
Hull method with CAF 1 1 0
Hull method with CFI 2 2 1
Hull method with RMSEA 2 2 1
Kaiser-Guttman criterion with PCA 2 2 2
Kaiser-Guttman criterion with SMC 1 1 2
Parallel analysis with PCA 2 1 2

SpCor Spearman Correlation, Ocor Polychoric Correlations, Mcor mixture of Correlations