Table 2 Confirmatory factor analysis of the hypothesized models

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]