Table 1 Instruments reliability and model fit
Psychometric Attribute | Instrument | ||
|---|---|---|---|
CESDR-10 | ZAS | BOI | |
Number of items | 10 | 20 | 19 |
Outfit Mean Square | |||
 Mean | 0.99 | 1.02 | 1.00 |
 Standard Error Measurement (SEM) | 0.13 | 0.07 | 0.29 |
Separation | 6.78 | 11.89 | 9.65 |
Reliability | 0.98 | 0.99 | 0.99 |
Cronbach’s alpha | 0.84 | 0.91 | 0.93 |
Uni-dimensionality | |||
 Raw variance | 58.2% | 46.1% | 49.6% |
 Unexplained variance 1st contrast | 2.04 | 2.47 | 3.23 |