Trait and state of grit among middle school students in South Korea: the influence of peer, teacher, and parental variables

Table 3 Goodness-of-fit indices for the measurement models by measurement points in time

Model		df	TLI	CFI	RMSEA (90% CI)	(df)
Configural invariance	443.985^***	102	0.948	0.965	0.038 (0.034–0.042)	12.274 (8)
Metric invariance	456.259^***	110	0.951	0.965	0.037 (0.033–0.040)	12.274 (8)

Note. df: degrees of freedom; TLI = Tucker–Lewis Index; CFI = Comparative Fit Index; RMSEA = Root Mean Square Error of Approximation; CI = Confidence Interval; ^***p <.001

ISSN: 2050-7283