Table 4 Summary statistics
From: Evaluating career self-awareness instruments for victims of violence using the Rasch model
Summary Person | ||||||||
|---|---|---|---|---|---|---|---|---|
Total | Model | Infit | Outfit | |||||
Score | Count | Measure | Standard error | Mean-square | Zstandard | Mean-square | Zstandard | |
Mean | 67.0 | 25.0 | 0.64 | 0.20 | 1.02 | − 0.06 | 1.00 | − 0.09 |
Standard deviation | 1.4 | 0.0 | 0.06 | 0.00 | 0.06 | 0.25 | 0.06 | 0.22 |
Maximum | 83.0 | 25.0 | 1.35 | 0.24 | 2.09 | 3.26 | 2.06 | 3.26 |
Minimum | 44.0 | 25.0 | − 0.20 | 0.18 | 0.32 | -3.64 | 0.34 | -3.19 |
Real root-mean-square deviation | 0.22 | True Standard deviation | 0.28 | Separation | 1.30 | Person Reliability | 0.63 | |
Model root-mean-square deviation | 0.20 | True Standard deviation | 0.30 | Separation | 1.48 | Person Reliability | 0.69 | |
S.E. of Person Mean = 0.06 | ||||||||
Person raw score-to-measure correlation = 0.92 Cronbach Alpha (KR-20) person raw score “test” test reliability = 0.89 SEM = 4.86 Reliability = 0.89 | ||||||||
Summary Item | ||||||||
Mean | 144.5 | 50.0 | 0.00 | 0.16 | 1.01 | 0.03 | 1.00 | 0.01 |
Standard deviation | 5.1 | 0.0 | 0.12 | 0.01 | 0.05 | 0.26 | 0.05 | 0.26 |
Maximum | 189.0 | 50.0 | 0.92 | 0.29 | 1.2 | 2.07 | 1.45 | 2.20 |
Minimum | 101.0 | 50.0 | -1.51 | 0.14 | 0.59 | -2.50 | 0.57 | -2.21 |
Real root-mean-square deviation | 0.17 | True Standard deviation | 0.58 | Separation | 3.38 | Item Reliability | 0.92 | |
Model root-mean-square deviation | 0.16 | True Standard deviation | 0.58 | Separation | 3.56 | Item Reliability | 0.93 | |
S.E. of Item Mean = 0.12 | ||||||||
Item raw score-to-measure correlation = − 0.98 | ||||||||