Table 1a:
Raw score | Count | Measure | Model error | Infit | Outfit | |||
---|---|---|---|---|---|---|---|---|
MNSQ | ZSTD | MNSQ | ZSTD | |||||
Mean | 131.7 | 36.0 | 0.04 | 0.16 | 1.00 | –0.4 | 1.00 | –0.4 |
SD | 11.4 | 0.0 | 0.29 | 0.01 | 0.59 | 2.4 | 0.58 | 2.3 |
Max | 170.0 | 36.0 | 1.12 | 0.19 | 3.41 | 7.3 | 3.39 | 7.1 |
Min | 102.0 | 36.0 | –0.68 | 0.15 | 0.25 | –5.0 | 0.25 | –4.9 |
Real RMSE | 0.18 | Adj. SD | 0.23 | Separation | 1.34 | Person reliability | 0.64 | |
Model RMSE | 0.16 | Adj. SD | 0.25 | Separation | 1.55 | Person reliability | 0.71 | |
SE of Person mean = 0.03 |
Person raw score-to-measure correlation = 1.00
Cronbach alpha (kr-20) person raw score reliability = 0.68