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Download full textPuhan, Gautam; Boughton, Keith A.; Kim, Sooyeon – ETS Research Report Series, 2005
The study evaluated the comparability of two versions of a teacher certification test: a paper-and-pencil test (PPT) and computer-based test (CBT). Standardized mean difference (SMD) and differential item functioning (DIF) analyses were used as measures of comparability at the test and item levels, respectively. Results indicated that effect sizes…
Descriptors: Comparative Analysis, Test Items, Statistical Analysis, Teacher Certification
