مقالة · مجلة · 2022

Parallelism of Test Items: Estimating the Means (µ), Variances (σ2) and Covariances (Cσ 2) of Alternate Test Forms

International Journal of Data Envelopment Analysis and *Operations Research*

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Parallelism of Test Items: Estimating the Means (µ), Variances (σ2) and Covariances (Cσ 2) of Alternate Test Forms · Peerford