منابع مشابه
A General Bayesian Model for Testlets: Theory and Applications
The need for more realistic and richer forms of assessment in educational tests has led to the inclusion (in many tests) of polytomously scored items, multiple items based on a single stimulus (a "testlet"), and the increased use of a generalized mixture of binary and polytomous item formats. In this paper we extend earlier work (Bradlow, Wainer & Wang, 1999; Wainer, Bradlow & Du, 2000) on the ...
متن کاملUsing a New Statistical Model for Testlets to Score TOEFL
No part of this report may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Violators will be prosecuted in accordance with both U.S. and international copyright laws. Abstract Standard item response theory (IRT) models fit to exam...
متن کاملTwelve tips for assessment psychometrics.
It is incumbent on medical schools to show, both to regulatory bodies and to the public at large, that their graduating students are "fit for purpose" as tomorrow's doctors. Since students graduate by virtue of passing assessments, it is vital that schools quality assure their assessment procedures, standards, and outcomes. An important part of this quality assurance process is the appropriate ...
متن کاملRunning head: DIF WITH PASSAGE-BASED TESTLETS Using Five Procedures to Detect DIF with Passage-Based Testlets
The objective of this study was to assess differential item functioning (DIF) for passage-based reading testlets across two gender groups using five procedures and then to compare the results across the procedures. The five procedures were: (1) polytomous logistic regression (PLR; Zumbo, 1999), (2) graded response model (GRM; Samejima, 1969, 1997), (3) Mantel-Haenszel (MH; Zwick, Donoghue, & Gr...
متن کاملPsychometrics and validation of a screening instrument for sickness absence.
BACKGROUND Absence from work due to psychosocial health complaints has considerable negative effects for employees, employers and society. A better and more effective strategy would be early identification of employees at risk for psychosocial sickness absence and early intervention to prevent sickness absence as far as possible. AIMS To assess psychometric characteristics and the external va...
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ژورنال
عنوان ژورنال: ETS Research Report Series
سال: 1989
ISSN: 2330-8516
DOI: 10.1002/j.2330-8516.1989.tb00143.x