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Faber, Janke M.; Glas, Cees A. W.; Visscher, Adrie J. – School Effectiveness and School Improvement, 2018
In this study, the relationship between differentiated instruction, as an element of data-based decision making, and student achievement was examined. Classroom observations (n = 144) were used to measure teachers' differentiated instruction practices and to predict the mathematical achievement of 2nd- and 5th-grade students (n = 953). The…
Descriptors: Individualized Instruction, Data, Decision Making, Academic Achievement
Hendrawan, Irene; Glas, Cees A. W.; Meijer, Rob R. – 2001
The effect of person misfit to an item response theory (IRT) model on a mastery/nonmastery decision was investigated. Also investigated was whether the classification precision can be improved by identifying misfitting respondents using person-fit statistics. A simulation study was conducted to investigate the probability of a correct…
Descriptors: Classification, Decision Making, Estimation (Mathematics), Goodness of Fit