Item residual | Person residual | Chi-Square fit statistic | Reliability | Unidimensionality | |||||
---|---|---|---|---|---|---|---|---|---|
Mean | SD | Mean | SD | Value and (df) | P | PSI | Alpha | t-test; % (95% CI) < 5% | |
Results | -0.47 | 0.47 | -0.08 | 0.01 | 59.4 (45) | 0.074 | 0.90 | 0.94 | 2.2% (0.2 – 4.7) |
Ideal values | 0 | 1.0 | 0 | 1.0 | 0.003a | > 0.7 | > 0.7 | < 5.0% |