Research Article
Assessment of Validity of Children’s Movement Skill Quotient (CMSQ) Based on the Physical Education Classroom Environment
Table 4
Differential item functioning across sex and age.
| Item | Sex (male= Ref. vs. female) | Age (6 years old = Ref. vs. 7 years old) | DIF | Joint | Rasch–Welch | DIF | Joint | Rasch–Welch | Contrast | SE | t | df | Prob. | Contrast | SE | t | df | Prob. |
| CS01 | –0.13 | 0.37 | –0.36 | 692 | 0.72 | –1.12 | 0.45 | –2.50 | 345 | 0.01b | CS02 | –0.62 | 0.29 | –2.11 | 672 | 0.04b | –0.13 | 0.38 | –0.34 | 359 | 0.73 | CS03 | 0.00 | 0.23 | 0.00 | 697 | 1.00 | 0.31 | 0.36 | 0.86 | 354 | 0.39 | CS04 | 0.00 | 0.18 | 0.00 | 697 | 1.00 | –0.28 | 0.25 | –1.12 | 359 | 0.26 | CS05 | –0.28 | 0.18 | –1.55 | 697 | 0.12 | 0.18 | 0.25 | 0.72 | 359 | 0.47 | CS06 | 0.13 | 0.19 | 0.70 | 697 | 0.48 | 0.03 | 0.26 | 0.11 | 359 | 0.91 | CS07 | 0.18 | 0.18 | 1.01 | 697 | 0.31 | 0.21 | 0.25 | 0.87 | 359 | 0.39 | CS08 | 0.12 | 0.18 | 0.64 | 697 | 0.52 | –0.05 | 0.25 | –0.20 | 359 | 0.84 | CS09 | 0.21 | 0.21 | 1.02 | 695 | 0.31 | 0.02 | 0.30 | 0.08 | 359 | 0.94 | CS10 | –0.25 | 0.20 | –1.23 | 697 | 0.22 | –0.83 | 0.30 | –2.81 | 354 | 0.01b | CS11 | –0.34 | 0.20 | –1.71 | 695 | 0.09 | –0.10 | 0.27 | –0.38 | 359 | 0.70 | CS12 | 0.00 | 0.20 | 0.00 | 697 | 1.00 | 0.33 | 0.27 | 1.23 | 359 | 0.22 | CS13 | 0.17 | 0.18 | 0.94 | 697 | 0.35 | 0.22 | 0.25 | 0.90 | 359 | 0.37 | CS14 | 0.25 | 0.19 | 1.29 | 696 | 0.20 | 0.38 | 0.27 | 1.41 | 357 | 0.16 |
|
|
Note: DIF: differential item functioning; t: t-statistic; df: degrees of freedom; b; SE: standard errors of the measures. |