![]() OF STANDARDS AND TECHNOLOGY, DEPARTMENT OF COMMERCE ACCREDITATION AND ASSESSMENT PROGRAMS NATIONAL VOLUNTARY LABORATORY ACCREDITATION PROGRAM § 285.8 Proficiency testing. 15 Commerce and Foreign Trade 1 false Proficiency testing. ![]() We assembled various two-stage MST panels (i.e., forms) by manipulating two… We chose a two-stage MST design that includes four modules (one at Stage 1, three at Stage 2) and three difficulty paths (low, middle, high). This inquiry is an investigation of item response theory (IRT) proficiency estimators' accuracy under multistage testing (MST). ![]() A Comparison of IRT Proficiency Estimation Methods under Adaptive Multistage TestingĮRIC Educational Resources Information Center
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