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Brow, Mark V. – British Journal of Educational Psychology, 2019
Background: National ranking from the triennial Programme of International Student Assessment (PISA) often serves as a barometer of national performance and human capital. Though excessive student- and school-level covariates (n > 700) may prove intractable for traditional least-squares estimate procedures, shrinkage methods may be more…
Descriptors: Predictor Variables, Numeracy, Foreign Countries, Comparative Education
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McIntosh, James – Scandinavian Journal of Educational Research, 2019
This article examines whether the way that PISA models item outcomes in mathematics affects the validity of its country rankings. As an alternative to PISA methodology a two-parameter model is applied to PISA mathematics item data from Canada and Finland for the year 2012. In the estimation procedure item difficulty and dispersion parameters are…
Descriptors: Foreign Countries, Achievement Tests, Secondary School Students, International Assessment