Table 2 Validity evidence based on the scale's internal structure
Exploratory Factor Analysis | Adequacy of the correction matrix | Bartlett | 6737.0 (df = 741)a | ||||||||
Kaiser–Meyer–Olkin (KMO) | 0.81 | ||||||||||
Factors | 6 | ||||||||||
Explained variance | 53.7% | ||||||||||
Waste distribution | Weighted Root Mean Square Residual (WRSR) | 0.0356 | |||||||||
Chi-square ratio for degree of freedom (X2/df) | 757.625 | ||||||||||
Non-Normed Fit Index (NNFI) | 0.98 | ||||||||||
Comparative Fit Index (CFI) | 0.98 | ||||||||||
Goodness of Fit Index (GFI) | 1.0 | ||||||||||
Root Mean Square Error of Approximation (RMSEA) | 0.027 | ||||||||||
Root Mean Squared Residual (RSMR) | 0.0437 | ||||||||||
ap < 0,001; bp = ,99 | |||||||||||
Replicability adjusted by H index | |||||||||||
Factor Index Confidence Interval | Factor Index Confidence Interval | Factor Index Confidence Interval | |||||||||
Autonomy | 0.962 | 0.945 – 0.980 | |||||||||
Vocation | 0.935 | 0.919 – 0.945 | |||||||||
Professional Council | 0.878 | 0.799 – 0.915 | |||||||||
Self-regulation | 0.838 | 0.795 – 0.858 | |||||||||
Continuing Education | 0.867 | 0.810 – 0.887 | |||||||||
Altruism | 0.828 | 0.779 – 0.845 | |||||||||
Quality and effectiveness of factor score estimates | |||||||||||
Index | Factor | ||||||||||
Autonomy | Vocation | Professional Council | Self-regulation | Continuing Education | Altruism | ||||||
Factor Determinacy Index | 0.981 | 0.967 | 0.937 | 0.916 | 0.931 | 0.910 | |||||
Expected percentage of true differences | 96.2% | 94.4% | 91.5% | 90% | 91% | 89.6% | |||||