Examining changes in adolescents’ high school math and science motivational beliefs and their relations to parental STEM support and STEM major choice at the intersectionality of gender and college generation status.

Drawing on the situated expectancy-value, dimensional comparison theories, and the intersectionality approach, this article examined the changes in adolescents' math and science motivational beliefs, the parental and college correlates of those beliefs, and the differences at the intersection of gender and college generation status (i.e., female and male first- and continuing-generation college students). Findings based on the nationally representative high-school longitudinal study data (