Table 1 Fit to the Rasch model
From: Internal construct validity of the Shirom-Melamed Burnout Questionnaire (SMBQ)
Item Fit Residual | Person Fit Residual | Chi Square Interaction | PSI | Unidimensionality | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
Analysis | Mean | SD | Mean | SD | Value | df | p | % Sig | % at LCI | |
1, 22 items | 0.741 | 4.005 | -0.326 | 1.792 | 562.4 | 198 | < 0.001 | 0.96669 | 10.10% | 8.40% |
2, 4 testlets | -0.256 | 3.692 | -0.463 | 1.075 | 56.77 | 36 | 0.01515 | 0.92432 | 3.20% | 0.01% |
3, 3 testlets | -0.016 | 2.689 | -0.444 | 0.962 | 32.28 | 27 | 0.22175 | 0.91544 | 3.25% | 1.50% |
4, Tension | -0.315 | 1.978 | -0.5 | 0.958 | 33.18 | 27 | 0.19132 | 0.86666 | 1.90% | 0.01% |