/ DIF Study / EDUCATION / Bilingual Education / EDUCATION / General / EDUCATION / Testing & Measurement / Education# examinations and assessment / ELA Score / Examinations & assessment / factor analysis techniques / Factorial ANOVA / Identify DIF Item / item response theory / LANGUAGE ARTS & DISCIPLINES / Study & Teaching / Language Assessment Data / language assessment research / Language teaching & learning (other than ELT) / Language teaching and learning / language testing statistics / Multidimensional Rasch Model / Nonuniform DIF / Person Parameter Estimates / Psychological testing & measurement / Psychological testing and measurement / PSYCHOLOGY / Assessment, Testing & Measurement / Psychometric Analysis / Rasch measurement / Rasch model / Rasch modelling / Rasch Residuals / Repeat Measure ANCOVA / test reliability methods / Test Takers / Uniform DIF / Variance Component Estimates