Table 6.
Goodness of fit, badness of fit, and fit indices for each structural equation model
| One factor | Problem type (reclassified) | Problem context (reclassified) | Level of spatial thinking | |
|---|---|---|---|---|
| Teaching difficulty | ||||
| CFI | .91 | .91 | .90 | .93 |
| TLI | .88 | .88 | .88 | .90 |
| RMSEA | .09 | .09 | .09 | .08 |
| SRMR | .05 | .06 | .06 | .05 |
| AIC | 4583 | 4585 | 4583 | 4570 |
| ECVI | 1.06 | 1.06 | 1.07 | 0.98 |
| Spatial-thinking involvement | ||||
| CFI | .92 | .92 | .91 | .93 |
| TLI | .90 | .89 | .89 | .91 |
| RMSEA | .07 | .08 | .08 | .07 |
| SRMR | .06 | .06 | .06 | .06 |
| AIC | 5108 | 5110 | 5110 | 5100 |
| ECVI | 0.89 | 0.91 | 0.90 | 0.85 |
| Visualization helpfulness | ||||
| CFI | .92 | .92 | .91 | .97 |
| TLI | .90 | .89 | .89 | .96 |
| RMSEA | .07 | .07 | .07 | .05 |
| SRMR | .07 | .06 | .07 | .05 |
| AIC | 4821 | 4825 | 4826 | 4800 |
| ECVI | 0.85 | 0.87 | 0.88 | 0.72 |
CFI Comparative Fit Index, TLI Tucker Lewis Index, RMSEA Root Mean Square Error of Approximation, SRMR Standardized Root Mean Square Residual, AIC Akaike Information Criterion, ECVI Expected Cross Validation Index