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Ercikan, Kadriye; Roth, Wolff-Michael; Asil, Mustafa – Teachers College Record, 2015
Background/Context: Two key uses of international assessments of achievement have been (a) comparing country performances for identifying the countries with the best education systems and (2) generating insights about effective policy and practice strategies that are associated with higher learning outcomes. Do country rankings really reflect the…
Descriptors: Inferences, International Education, International Studies, Case Studies
Koedel, Cory – National Center on Performance Incentives, 2009
This paper examines whether educational production in secondary school involves joint production among teachers across subjects. In doing so, it also provides insights into the reliability of value-added modeling. Teacher value-added to reading test scores is estimated for four different teacher types: English, math, science, and social studies.…
Descriptors: Statistical Bias, Test Bias, Research Methodology, Educational Quality