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Rutkowski, Leslie; Rutkowski, David; Zhou, Yan – International Journal of Testing, 2016
Using an empirically-based simulation study, we show that typically used methods of choosing an item calibration sample have significant impacts on achievement bias and system rankings. We examine whether recent PISA accommodations, especially for lower performing participants, can mitigate some of this bias. Our findings indicate that standard…
Descriptors: Simulation, International Programs, Adolescents, Student Evaluation