Variable selection in latent variable models via knockoffs: an application to international large-scale assessment in education

Zilong Xie, Yunxiao Chen, Matthias von Davier and Haolei Weng

LSE Research Online Documents on Economics from London School of Economics and Political Science, LSE Library

Abstract: International large-scale assessments (ILSAs) play an important role in educational research and policy making. They collect valuable data on education quality and performance development across many education systems, giving countries the opportunity to share techniques, organisational structures, and policies that have proven efficient and successful. To gain insights from ILSA data, we identify non-cognitive variables associated with students’ academic performance. This problem has three analytical challenges: (a) academic performance is measured by cognitive items under a matrix sampling design; (b) there are many missing values in the non-cognitive variables; and (c) multiple comparisons due to a large number of non-cognitive variables. We consider an application to the Programme for International Student Assessment, aiming to identify non-cognitive variables associated with students’ performance in science. We formulate it as a variable selection problem under a general latent variable model framework and further propose a knockoff method that conducts variable selection with a controlled error rate for false selections.

Keywords: Model-X knockoffs; missing data; latent variables; variable selection; international large-scale assessment (search for similar items in EconPapers)
JEL-codes: C1 (search for similar items in EconPapers)
Pages: 25 pages
Date: 2023-12-12
New Economics Papers: this item is included in nep-ecm
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Published in Journal of the Royal Statistical Society. Series A: Statistics in Society, 12, December, 2023. ISSN: 0964-1998

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