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Park, Elizabeth S.; Ngo, Federick – Educational Evaluation and Policy Analysis, 2021
We use regression discontinuity design to examine the impact of placing into developmental math on science, technology, engineering, and mathematics (STEM) participation in community colleges and whether these relationships differ for underrepresented racially minoritized (URM), women, STEM-oriented, and STEM-aspiring students. Results show that…
Descriptors: Remedial Mathematics, STEM Education, Student Participation, Community Colleges
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Ngo, Federick; Hinojosa, Juanita K. – AERA Open, 2022
Some states have enacted inclusive policies that reduce constraints and uncertainty for undocumented students, potentially changing their academic decisions and postsecondary goals. We explore shifts in continuing undocumented community college students' course-taking before and after the California DREAM Act, which provided access to state…
Descriptors: Undocumented Immigrants, Two Year College Students, Community Colleges, Refugees
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Melguizo, Tatiana; Bos, Johannes M.; Ngo, Federick; Mills, Nicholas; Prather, George – Research in Higher Education, 2016
This study evaluates the effectiveness of math placement policies for entering community college students on these students' academic success in math. We estimate the impact of placement decisions by using a discrete-time survival model within a regression discontinuity framework. The primary conclusion that emerges is that initial placement in a…
Descriptors: Community Colleges, College Students, Student Placement, Regression (Statistics)