Table 2 Goodness-of-fit indices
| Â | First-order model | Second-order model | ||||||
|---|---|---|---|---|---|---|---|---|
CFI | TLI | NFI | RMSEA | CFI | TLI | NFI | RMSEA | |
Sample 1: High school students | ||||||||
 Default model | .99 | .99 | .97 | .03 (.00, .05) | .99 | .99 | .97 | .03 (.00, .05) |
Sample 2: Vocational students | ||||||||
 Default model | .96 | .97 | .93 | .06 (.04, .08) | .96 | .97 | .93 | .04 (.06, .08) |
Sample 3: Young elite athletes | ||||||||
 Default model | .95 | .96 | .93 | .06 (.05, .08) | .95 | .96 | .93 | .06 (.05, .08) |