Table 3.

Model fit comparisons for the latent growth curve analyses of science identity by racial/ethnic group from 9^th grade to 3 years post-HS

Black students’ science identity
Model	χ2	df	p	Δ χ2	Δdf	p	RMSEA	90% CI	CFI	TLI	SRMR
No growth	138.47	6	<0.001	—	—	—	0.10	0.09; 0.12	0.38	0.69	0.14
Linear*	21.34	3	<0.001	117.14	3	<0.001	0.05	0.03; 0.08	0.91	0.91	0.04
Latinx students’ science identity
No growth	171.17	6	<0.001	—	—	—	0.09	0.08; 0.10	0.55	0.78	0.13
Linear*	25.96	3	<0.001	145.21	3	<0.001	0.05	0.03; 0.07	0.94	0.94	0.05
Asian students’ science identity
No growth	45.75	6	<0.001	—	—	—	0.06	0.05; 0.08	0.75	0.88	0.10
Linear*	15.05	3	0.002	30.70	3	<0.001	0.05	0.03; 0.07	0.93	0.93	0.09
White students’ science identity
No growth	718.35	6	<0.001	—	—	—	0.10	0.10; 0.11	0.65	0.83	0.10
Linear*	153.56	3	<0.001	564.79	3	<0.001	0.07	0.06; 0.07	0.93	0.93	0.05

Note. *Indicates the model with the better fit indices

SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, High School Longitudinal Study of 2009 (HSLS:09), Base Year, First Year Follow-Up, Second Year Follow-Up