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Testlets, defined as bundles of items, are incorporated into adaptive frameworks to estimate examinee ability. Simulation results with 50,000 and 25,000 test takers show that all testlet-based designs improve precision over same-length paper-and-pencil tests, reaching nearly the precision of a double-length paper-and-pencil format. 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test designs does the study compare?","Question",{"text":112,"@type":113},"It compares two-stage and multistage testlet-based designs to a standard computerized adaptive test (CAT) design and to paper-and-pencil test designs.","Answer",{"name":115,"@type":110,"acceptedAnswer":116},"How are testlets used in the proposed designs?",{"text":117,"@type":113},"Testlets are bundles of items incorporated into two-stage and multistage adaptive frameworks to tailor difficulty and support ability estimation.",{"name":119,"@type":110,"acceptedAnswer":120},"What do the simulation results show about precision?",{"text":121,"@type":113},"With simulated test takers (50,000 and 25,000), testlet-based designs yield improved precision over same-length paper-and-pencil tests and nearly match the precision of a double-length paper-and-pencil 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RESUME\n\nSchnipke,Deborah L.;Reese,Lynda M.  \nA Comparison [of]Testlet-Based Test Designs for ComputerizedAdaptive Testing.Law School Admission Council ComputerizedTesting Report.LSAC Research Report Series.Law School Admission Council,Princeton,NJ.LSAC-R-97-011999-05-0015p.  \nReports -Evaluative(142)  \nEDRS Price MF01/PC01 Plus Postage.  \n*Adaptive Testing;College Entrance Examinations;*ComputerAssisted Testing;Law Schools;Psychometrics;*TestConstruction*Law School Admission Test;*Testlets  \nTwo-stage and multistage test designs provide a way of roughlyadapting item difficulty to test taker ability.This study incorporatedtestlets(bundles of items)into two-stage and multistage designs,andcompared the precision of the ability estimates derived from these designswith those derived from a standard computerized adaptive test(CAT)design andfrom paper-and-pencil test designs.Results with 50,000 and 25,000 simulatedtest takers indicate that all testlet-based designs resulted in improvedprecision over the same length paper-and-pencil test,and almost as muchprecision as the paper-and-pencil test of double length.Given the many other(nonpsychometric)advantages of these designs,they may be viable options forcomputer-administered tests.(SLD)  \nReproductions supplied by EDRS are the best that can be madefrom the original document.  \nLSAC RESEARCH REPORT SERIES  \nED 467812  \nU.S.DEPARTMENT OF EDUCATIONOffice of Educational Research and ImprovementEDUCATIONALRESOURCES INFORMATIONCENTER(ERIC)This document has been reproduced asreceived from the person or organizationoriginating it.  \n□ Minor changes have been made toimprove reproducton quality.  \n● Points of view or opinions stated in thisdocurnent do not necessarily representofficial OERI position or policy.  \n# A Comparison Testlet-Based Test Designs forComputerized Adaptive Testing\n\nDeborah L.Schnipke and Lynda M.ReeseLaw School Admission Council  \nLaw School Admission CouncilComputerized Testing Report 97-01May 1999  \nTM034354  \nA Publication of the Law School Admission Council  \nPERMISSION TO REPRODUCE ANDDISSEMINATETHIS MATERIAL HASBEEN GRANTED BY  \nJ.VASELECK  \nTO THE EDUCATIONAL RESOURCESINFORMATION CENTER(ERIC)  \n1  \nBEST COPYAVAILABLE  \nThe Law School Admission Council is a nonprofit corporation that provides services to the legaleducation community.Its members are 196 law schools in the United States and Canada  \nCopyrightC 1999 by Law School Admission Council,Inc.  \nAll rights reserved.This book may not be reproduced or transmitted,in whole or in part,by any means,electronic or mechanical,including photocopying,recording,or by any information storage and retrievalsystem,without permission of the publisher.For information,write:Communications,Law SchoolAdmission Council,Box 40,661 Penn Street,Newtown,PA 18940-0040.  \nLSAT⑧and the Law Services logo are registered marks of the Law School Admission Council,Inc.  \nThis study is published and distributed by the Law School Admission Council (LSAC).The opinions andconclusions contained in this report are those of the author and do not necessarily reflect the position orpolicy of the Law School Admission Council.  \nTable of Contents  \nExecutive Summary ……………………………………………………………………………………………………………………………………………………1  \nAbstract…………………………………………………………………………………………………………………………………………………………………………1  \nIntroduction ……………………………………………………………………………………………………………………………………………………………………2  \nMethod…………………………………………………………………………………………………………………………………………3  \nSimulated Test Takers………………………………………………………………………………………………………………………………………………………  \nItem Parameters…………………………………………………………………………………………………………………………………………………………  \nTest Designs……………………………………………………………………………………………………………………………………………………………………3  \nTwo-Stage Testlet Design…………………………………………………………………………………………………………………………………………3  \nTwo-Stage Testlet Design with Changing Levels…………………………………………………","cbCaig1CjbI4DaW1","https://ap.wps.com/l/cbCaig1CjbI4DaW1","pdf",249245,16,"English","# Executive Summary\n## Abstract\n## Introduction\n## Method\n## Result\n## Discussion\n# References","[{\"question\":\"What test designs does the study compare?\",\"answer\":\"It compares two-stage and multistage testlet-based designs to a standard computerized adaptive test (CAT) design and to paper-and-pencil test designs.\"},{\"question\":\"How are testlets used in the proposed designs?\",\"answer\":\"Testlets are bundles of items incorporated into two-stage and multistage adaptive frameworks to tailor difficulty and support ability estimation.\"},{\"question\":\"What do the simulation results show about precision?\",\"answer\":\"With simulated test takers (50,000 and 25,000), testlet-based designs yield improved precision over same-length paper-and-pencil tests and nearly match the precision of a double-length paper-and-pencil test.\"}]","A Comparison - Testlet-Based Test Designs for Computerized Adaptive Testing | PDF"]