Table 3.
Summary Fit Statistics for Rasch analyses
|
Analysis Number |
Analysis Name |
Item Residual |
Person Residual |
Chi-Square |
PSI |
Unidimensional |
|||
|---|---|---|---|---|---|---|---|---|---|
|
t-test | |||||||||
|
(CI) | |||||||||
| Mean | SD | Mean | SD | Value | p | ||||
| 1 |
Physical (8 items) |
-0.379 |
1.011 |
-0.547 |
1.415 |
21.4 |
0.922 |
0.89 |
5.98% |
| (3.2-8.8) | |||||||||
| 2 |
Cognitive (4 items) |
-0.043 |
1.977 |
-0.597 |
1.224 |
18.9 |
0.092 |
0.78 |
3.29% |
| (0.4-6.2) | |||||||||
| 3 |
Summary (10 items) |
-0.357 |
1.156 |
-0.622 |
1.551 |
52.8 |
0.085 |
0.89 |
5.0% |
| (2.2-7.8) | |||||||||
| 4 |
Diurnal – Initial (6 items) |
-0.423 |
1.862 |
-0.683 |
1.351 |
50.5 |
0.001 |
0.70 |
7.72% |
| (5.1-10.4) | |||||||||
| 5 |
Diurnal – Final (5 items) |
-0.842 |
1.783 |
-0.648 |
1.174 |
18.9 |
0.219 |
0.69 |
5.56% |
| (2.8-8.3) | |||||||||
| 6 |
Nocturnal Sleep (5 items) |
0.229 |
1.451 |
-0.563 |
1.501 |
31.5 |
0.008 |
0.69 |
4.22% |
| (1.4-7.0) | |||||||||
| Acceptable Values | 0 | <1.4 | 0 | <1.4 | >0.05a | >0.85 | < 5.0% (Lower CI) | ||
a Bonferroni adjusted alpha level.