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. 2023 Jan 23;36:3. doi: 10.1186/s41155-023-00246-2

Table 2.

Confirmatory factor analysis of the hypothesized models

df X2 P X2/df CFI TLI RMSEA
Model 1—unidimensional solution 20 781.93 > .001 39.10 .945 .923 .125 [90%, .118–.133]
Model 1—unidimensional solution (E1–E2, E8–E9, and E10–E12) 17 251.12 > .001 14.77 .983 .971 .076 [90%, .068–.084]
Model 2—two first-order factors and second-order factor solution 18 269.10 > .001 14.95 .982 .972 .076 [90%, .068–.084]
Model 3—bifactor solution 11 231.32 > .001 21.02 .984 .958 .092 [90%, .082–.102]
Model 4—two first-order oblique factors 19 760.41 > .001 40.02 .946 .921 .127 [90%, .119–.135]
Model 4—two first-order oblique factors (E1–E2, E8–E9, and E10–E12) 16 181.99 > .001 11.37 .988 .978 .066 [90%, .058–.075]