In this study, Item Response Theory (IRT) true-score equating and observed-score equating methods were compared based on preserving test equity property. The data used in this study were 8th grade mathematics test item responses which obtained from booklet 5 and 6 of Trends in International Mathematics and Science Study) (TIMSS) 2011 Turkey sample. Results showed that while IRT true-score equating outperformed IRT observed-score equating in terms preserving first-order equity, however IRT observed-score equating method IRT true- score equating in terms of second order equity property
Field : Eğitim Bilimleri; Hukuk; Sosyal, Beşeri ve İdari Bilimler
Journal Type : Uluslararası
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