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Download full textSaatçioglu, Fatima Münevver; Atar, Hakan Yavuz – Participatory Educational Research, 2020
This study examined the existence of latent classes in TIMSS 2015 data from three countries, Singapure, Turkey and South Africa, were analyzed using Mixture Item Response Theory (MixIRT) models (Rasch, 1PL, 2PL and 3PL) on 18 multiple-choice items in the science subtest. Based on the findings, it was concluded that the data obtained from TIMSS…
Descriptors: Foreign Countries, Item Response Theory, Achievement Tests, International Assessment
Peer reviewedBielinski, John; Davison, Mark L. – Journal of Educational Measurement, 2001
Used mathematics achievement data from the 1992 National Assessment of Educational Progress, the Third International Mathematics and Science Study, and the National Education Longitudinal Study of 1988 to examine the sex difference by item difficulty interaction. The predicted negative correlation was found for all eight populations and was…
Descriptors: Correlation, Difficulty Level, Interaction, Mathematics Tests
