Table 3:
Model fit statistics from tests for invariance of age-specific GNG/CPT task versions
| Model | χ2 | df | RMSEA | CFI | TLI | SRMR | Δχ 2 | Δdf | ΔRMSEA | ΔCFI | ΔTLI | ΔSRMR | Decision (accept or reject invariance) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Configural | 47.92 | 39 | .036 | .995 | .995 | .028 | - | - | - | - | Accept | ||
| Version 1 | 16.32 | 13 | .044 | .995 | .989 | .024 | - | - | - | - | - | ||
| Version 2 | 18.88 | 13 | .058 | .979 | .954 | .036 | - | - | - | - | - | ||
| Version 3 | 12.72 | 13 | 0 | 1 | 1 | .020 | - | - | - | - | - | ||
| Full metric | 69.82*** | 51 | .049 | .988 | .981 | .089 | 21.90* | 12 | .010 | .007 | .007 | .061 | Reject |
| Partial metric | 66.16** | 50 | .046 | .990 | .981 | .077 | 18.24 | 11 | .007 | .005 | .005 | .049 | Accept |
| Full scalar | 121.31* | 63 | .079 | .964 | .952 | .131 | 73.39*** | 24 | .040 | .010 | .036 | .089 | Reject |
| Partial scalar | 76.76* | 59 | .045 | .989 | .984 | .074 | 29.27 | 20 | .006 | .006 | .004 | .046 | Accept |
| Full strict | 204.58*** | 72 | .111 | .919 | .905 | .201 | 212.47** | 33 | .072 | .108 | .069 | .173 | Reject |
| Partial strict | 87.26 | 67 | .045 | .988 | .984 | .112 | 39.82 | 28 | .006 | .006 | .004 | .082 | Accept |
*
p < .05;
**
p < .01;
***
p < .00