Table 5.
Tests of measurement invariance of the unitary EF model for groups of children defined by sex (top panel) and sociodemographic risk status (bottom panel)
| Model | χ2 | df | p | RMSEA | CFI | BIC | χ2 difference | Df | p |
|---|---|---|---|---|---|---|---|---|---|
| Sex Invariance | |||||||||
| Baseline | 29.95 | 28 | .37 | 0.03 | 0.98 | 5165.15 | -- | -- | -- |
| Metric Invariance | 35.30 | 34 | .41 | 0.02 | 0.99 | 5137.93 | 5.35 | 6 | .50 |
| Scalar Invariance | 46.68 | 40 | .22 | 0.04 | 0.94 | 5116.73 | 11.38 | 6 | .08 |
| Equal Error Variances | 51.43 | 47 | .30 | 0.03 | 0.96 | 5083.47 | 4.75 | 7 | .69 |
| Equal Factor Variances | 52.00 | 48 | .32 | 0.03 | 0.97 | 5078.62 | 0.57 | 1 | .45 |
| Equal Factor Means | 52.83 | 49 | .33 | 0.03 | 0.97 | 5074.01 | 0.83 | 1 | .36 |
| Sociodemographic Risk Status Invariance | |||||||||
| Baseline | 26.05 | 28 | .57 | 0.00 | 1.00 | 5107.31 | -- | -- | -- |
| Metric Invariance | 34.88 | 34 | .43 | 0.02 | 0.99 | 5083.56 | 8.83 | 6 | .18 |
| Scalar Invariance | 41.25 | 40 | 0.42 | 0.02 | 0.99 | 5057.369 | 6.37 | 6 | .38 |
| Equal Error Variances | 73.80 | 47 | 0.01 | 0.07 | 0.71 | 5051.90 | 32.55 | 7 | <.0001 |
| Partial Error Variancesa | 47.48 | 45 | 0.37 | 0.02 | 0.97 | 5036.44 | 6.23 | 5 | .28 |
| Equal Factor Variancesa | 57.36 | 46 | 0.12 | 0.05 | 0.88 | 5040.89 | 9.88 | 1 | .002 |
| Equal Factor Meansa | 79.55 | 47 | 0.002 | 0.08 | 0.65 | 5057.65 | 22.19 | 1 | < .0001 |
a
Nebraska Barnyard and Go/No-go error variances permitted to differ between low-risk and at-risk groups