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Spott, Jessica L., Ed.; Sobehrad, Lane J., Ed.; Hite, Rebecca L., Ed. – IGI Global, 2023
Locally or individually, STEM programs provide additional opportunities to engage K-12 students, including those from marginalized groups, with the support of STEM outreach organizations through the co-construction and implementation of STEM activities during school, out of school, at home, and in the community. Research suggests that…
Descriptors: STEM Education, Elementary Secondary Education, Partnerships in Education, School Community Programs
Porter, Stephen R. – Online Submission, 2012
Selection bias is problematic when evaluating the effects of postsecondary interventions on college students, and can lead to biased estimates of program effects. While instrumental variables can be used to account for endogeneity due to self-selection, current practice requires that all five assumptions of instrumental variables be met in order…
Descriptors: Statistical Bias, College Students, Educational Research, Statistical Analysis