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Direct linkGustafsson, Jan-Eric – School Effectiveness and School Improvement, 2013
In educational effectiveness research, it frequently has proven difficult to make credible inferences about cause and effect relations. The article first identifies the main categories of threats to valid causal inference from observational data, and discusses designs and analytic approaches which protect against them. With the use of data from 22…
Descriptors: Attribution Theory, Homework, Mathematics Achievement, Regression (Statistics)
Cho, Mee-Ok; Scherman, Vanessa; Gaigher, Estelle – Perspectives in Education, 2014
This paper reports on secondary analysis of TIMSS 2003 data with the aim of explaining the difference in science achievement of Korean and South African learners. The question asked by this research, i.e. which factors at various educational levels influence science achievement in Korea and South Africa respectively, is addressed from the…
Descriptors: Foreign Countries, Correlation, School Size, Science Achievement
