TABLE 3.

Mean, standard deviation, t test, average treatment effect on the treated (ATET propensity score matching) for traditional laboratory and SEA-PHAGES courses for future intent to stay in the sciences courses combined men and women and disaggregated by gender (n = 1632)

Estimation method		Future intent	Intent to complete science degree
Traditional labSEA-PHAGES		3.21 (1.54) 3.56 (1.46)	4.04 (1.12) 4.34 (0.94)
ATET propensity score matching	Coeff.SEzSig.	0.190.082.60.009*	0.260.092.850.004*
Men only
Traditional labSEA-PHAGES		3.24 (1.52) 3.59 (1.19)	4.13 (1.06) 4.16 (1.05)
ATET propensity score matching	Coeff.SEzSig.	−0.220.18−1.220.23	−0.290.24−1.210.23
Women only
Traditional labSEA-PHAGES		3.52 (1.28) 4.07 (0.85)	4.21 (0.97) 4.49 (0.76)
ATET propensity score matching	Coeff.SEzSig.	−0.540.22−2.40.02*	−0.290.16−1.860.06

*Significant at 0.05 level following a Holm-Bonferroni correction.