Search results for author:"Ratna Nandakumar"
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Annual Meeting of the National Council on Measurement in Education (NCME) 2000 (April 2000)
CATSIB is a differential item functioning (DIF) assessment methodology for computerized adaptive test (CAT) data. Kernel smoothing (KS) is a technique for nonparametric estimation of item response functions. In this study an attempt has been made to ...