Table 3.
Confirmatory factor analyses with fit indices for the behavioral inhibition (avoidance) system and behavioral approach system scale.
| Chi2 | df | Chi2/df | CFI | TLI | RMSEA | SRMR | |
|---|---|---|---|---|---|---|---|
| BIS/BAS Four Factors 24 Items | 585.330 | 164 | 3.56 | 0.840 | 0.815 | 0.084 (0.077–0.092) | 0.072 |
| BIS/BAS Three Factors 24 Items | 592.798 | 167 | 3.55 | 0.838 | 0.816 | 0.084 (0.077–0.091) | 0.073 |
| BIS/BAS Three Factors 13 Items | 162.517 | 62 | 2.62 | 0.948 | 0.935 | 0.067 (0.054–0.079) | 0.042 |
BIS/BAS: Behavioral Inhibition (Avoidance) System/Behavioral Approach System; TLI: Tucker-Lewis index (non-normed fit index); CFI: comparative fit index; RMSEA: root mean square error of approximation; SRMR: standardized root mean square residual.