Table 2 Results of competing models of study variables
|  | χ2 | df | χ2/df | CFI | TLI | RMSEA |
|---|---|---|---|---|---|---|
Four-factor models: | ||||||
 M0 (default model) | 224.39 | 59 | 3.80 | .98 | .97 | .06 |
Three-factor models: | ||||||
 M1 (triggering and immersing) | 491.26 | 62 | 7.92 | .94 | .92 | .09 |
 M2 (triggering and extending) | 377.61 | 62 | 6.09 | .95 | .94 | .08 |
 M3 (triggering and creation) | 355.62 | 62 | 5.74 | .96 | .95 | .08 |
 M4 (immersing and extending) | 502.61 | 62 | 8.11 | .93 | .92 | .09 |
 M5 (immersing and creation) | 482.20 | 62 | 7.78 | .94 | .92 | .09 |
 M6 (extending and creation) | 247.84 | 62 | 4.00 | .97 | .97 | .06 |
Two-factor models: | ||||||
 M7 (triggering and immersing + extending and creation) | 514.67 | 64 | 8.04 | .93 | .92 | .09 |
 M8 (triggering and extending + immersing and creation) | 626.55 | 64 | 9.79 | .92 | .90 | .11 |
 M9 (triggering and creation + immersing and extending) | 623.19 | 64 | 9.74 | .92 | .90 | .10 |
 M10 (triggering and immersing and extending) | 642.15 | 64 | 10.03 | .91 | .90 | .11 |
 M11 (triggering and immersing and creation) | 614.39 | 64 | 9.60 | .92 | .90 | .10 |
 M12 (triggering and extending and creation) | 407.60 | 64 | 6.37 | .95 | .94 | .08 |
 M13 (immersing and extending and creation) | 534.29 | 64 | 8.35 | .93 | .91 | .10 |
One-factor models: | ||||||
M14 (single factor model) | 678.76 | 65 | 10.44 | .91 | .89 | .11 |