Title[Item characteristic curve equating under graded response models in IRT]
Publication TypeJournal Article
Year of Publication2005
AuthorsJun, Z, Dongming, O, Shuyuan, X, Haiqi, D, Shuqing, Q
JournalActa Psychologica Sinica
Publication Languageeng
ISBN Number0439-755X (Print)
Accession Number2005-16031-017
Keywordsgraded response models, item characteristic curve, Item Response Theory

In one of the largest qualificatory tests--economist test, to guarantee the comparability among different years, construct item bank and prepare for computerized adaptive testing, item characteristic curve equating and anchor test equating design under graded models in IRT are used, which have realized the item and ability parameter equating of test data in five years and succeeded in establishing an item bank. Based on it, cut scores of different years are compared by equating and provide demonstrational gist to constitute the eligibility standard of economist test.