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Anil, Duygu1
Inal, Hatice1
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Inal, Hatice; Anil, Duygu – Eurasian Journal of Educational Research, 2018
Purpose: This study aimed to examine the impact of differential item functioning in anchor items on the group invariance in test equating for different sample sizes. Within this scope, the factors chosen to investigate the group invariance in test equating were sample size, frequency of sample size of subgroups, differential form of differential…
Descriptors: Equated Scores, Test Bias, Test Items, Sample Size