Predicting pathways to optional summer science experiences by socioeconomic status and the impact on science attitudes and skills

International Journal of STEM Education

Table 8 Mean differences between matching model covariates before and after matching

Covariate	Home-related		Nature-related		STEM camps
Covariate	Before matching	After matching	Before matching	After matching	Before matching	After matching
Propensity score	(High) .58 (Low) .55		(High) .54 (Low) .51		(High) .25 (Low) .25
Pre fascination	.31***	.10	.27***	.02	.28**	− .09
Pre Values	.20**	.07	.15*	.01	.21*	− .03
Pre CB	.22***	.12	.20***	.06	.24**	− .03
Pre CK	.20	.02	.17	.03	.03	− .16
Pre SSM	.06*	.01	.06*	.02	.01	− .03
Grade	.06	− .09	− .17	− .09	.09	− .20
Gender	.14*	.04	− .11*	− .08	.20**	.04
Minority status	.001	.07	− .02	− .04	.12	.04
Home resources	.21**	.01	.25***	.02	.10	− .04
Family support	.12*	.02	.21***	.03	.05	− .07