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Understanding the counterfactual approach to instrumental variables: a practical guide
Instrumental variables is a popular approach for causal inference in education when randomization of treatment is not feasible. Using a first-year college program as a running example, this article reviews the five assumptions that must be met to successfully use instrumental variables to estimate a causal effect with observational data: SUTVA, as-if random assignment, exclusion restriction, nonzero average causal effect of instrument on treatment, and monotonicity, and concludes with recommendations for researchers.
期刊介绍:
The Asia Pacific Education Review (APER) aims to stimulate research, encourage academic exchange, and enhance the professional development of scholars and other researchers who are interested in educational and cultural issues in the Asia Pacific region. APER covers all areas of educational research, with a focus on cross-cultural, comparative and other studies with a broad Asia-Pacific context.
APER is a peer reviewed journal produced by the Education Research Institute at Seoul National University. It was founded by the Institute of Asia Pacific Education Development, Seoul National University in 2000, which is owned and operated by Education Research Institute at Seoul National University since 2003.
APER requires all submitted manuscripts to follow the seventh edition of the Publication Manual of the American Psychological Association (APA; http://www.apastyle.org/index.aspx).