Table 8 Observed and adjusted scores accounting for DIF
From: Item analysis of the KIDSCREEN-10 using Rasch modelling
Observed | Adjusted | Bias | |||
|---|---|---|---|---|---|
Mean | se | Mean | se | ||
Gender | |||||
Girls | 31.57 | 0.21 | 31.50 | 0.21 | 0.07 |
Boys | 32.01 | 0.23 | 32.26 | 0.22 | − 0.24 |
Citizenship | |||||
Swiss | 32.39 | 0.26 | 32.52 | 0.26 | − 0.13 |
Swiss and another | 31.69 | 0.26 | 31.64 | 0.26 | 0.05 |
Another | 31.34 | 0.27 | 31.50 | 0.26 | − 0.16 |