Table 4.

Fit indices of the three models of PE-Grit scale.

Model	X2 (p)	DF	X2/DF	GFI	AGFI	TLI	CFI	RMSEA	[Lo90-Hi 90]
M1	393.89 (p < 0.01)	103	3,82	0.964	0.952	0.937	0.946	0.077	0.069–0.085
M2	334.31 (p < 0.01)	99	3,38	0.969	0.958	0.947	0.956	0.070	0.062–0.079
M3	67.54 (p < 0.01)	99	0,68	0.994	0.992	1	1	0.000	—