Table 4. Fit Indices of Models Assessing Weak (Model 1) and Strong (Model 2) Factorial Invariance of the German Humor Styles Questionnaire Across Several Demographic Subgroups.
| Subgroup, Model | χ2 | χ2/df | CFI | RMSEA | SRMR | AIC | χ2 diff. |
|---|---|---|---|---|---|---|---|
| Gender (males and females) | 50.30** | ||||||
| Model 1 | 2,607.67*** | 2.85 | .83 | .06 | .07 | 120,998 | |
| Model 2 | 2,663.43*** | 2.82 | .83 | .06 | .08 | 120,995 | |
| Age group (17–24, 25–35, 36+) | 93.53** | ||||||
| Model 1 | 3,106.98*** | 2.26 | .83 | .06 | .08 | 120,806 | |
| Model 2 | 3,198.33*** | 2.24 | .82 | .06 | .08 | 120,791 | |
| Country (Switzerland and Germany) | 33.80 | ||||||
| Model 1 | 2,376.35*** | 2.59 | .83 | .06 | .08 | 102,730 | |
| Model 2 | 2,413.10*** | 2.56 | .83 | .06 | .08 | 102,708 | |
Note. CFI = Comparative Fit Index; RMSEA = Root Mean Square Error of Approximation; SRMR = Standardized Root Mean Square Residual; AIC = Akaike Information Criterion; χ2 diff. = χ2 difference test.
**p < .01. ***p < .001.