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

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

Covariate Home-related Nature-related STEM camps
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
  1. CB competency beliefs, CK content knowledge, SSM scientific sensemaking
  2. ***p < .001; **p < .01; *p < .05