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He, Qingping; Anwyll, Steve; Glanville, Matthew; Opposs, Dennis – Research Papers in Education, 2014
Since 2010, the whole national cohort Key Stage 2 (KS2) National Curriculum test in science in England has been replaced with a sampling test taken by pupils at the age of 11 from a nationally representative sample of schools annually. The study reported in this paper compares the performance of different subgroups of the samples (classified by…
Descriptors: National Curriculum, Sampling, Foreign Countries, Factor Analysis
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Micklewright, John; Schnepf, Sylke V.; Silva, Pedro N. – Economics of Education Review, 2012
Investigation of peer effects on achievement with sample survey data on schools may mean that only a random sample of the population of peers is observed for each individual. This generates measurement error in peer variables similar in form to the textbook case of errors-in-variables, resulting in the estimated peer group effects in an OLS…
Descriptors: Foreign Countries, Sampling, Error of Measurement, Peer Groups