A Comparison Of Four Linear Equating Methods For The Common Item Nonequivalent Groups Design Using Simulation Methods Act Research Report Series 2013 2
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A Comparison Of Four Linear Equating Methods For The Common Item Nonequivalent Groups Design Using Simulation Methods Act Research Report Series 2013 2
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Author : Anna Topczewski
language : en
Publisher:
Release Date : 2013
A Comparison Of Four Linear Equating Methods For The Common Item Nonequivalent Groups Design Using Simulation Methods Act Research Report Series 2013 2 written by Anna Topczewski and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013 with categories.
This paper investigates four methods of linear equating under the common item nonequivalent groups design. Three of the methods are well known: Tucker, Angoff-Levine, and Congeneric-Levine. A fourth method is presented as a variant of the Congeneric-Levine method. Using simulation data generated from the three-parameter logistic IRT model we compare the accuracy of the four methods under a variety of conditions involving group differences between the old and new groups. The sampling properties of the methods' parameter estimates are also investigated. The results indicate that the Tucker method is less accurate than the other three methods when group differences exist, especially when sample size is large (800). However, the Tucker method's gamma has the smallest sampling error, especially when sample size is small. Appended are: (1) Tables A1-A8; and (2) Figures B-1 through B-7.
A Comparison Of Four Linear Equating Methods For The Common Item Nonequivalent Groups Design Using Simulation Methods
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Author : Anna Topczewski
language : en
Publisher:
Release Date : 2013
A Comparison Of Four Linear Equating Methods For The Common Item Nonequivalent Groups Design Using Simulation Methods written by Anna Topczewski and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013 with Examinations categories.
The Effectiveness Of Circular Equating As A Criterion For Evaluating Equating
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Author : Tianyou Wang
language : en
Publisher:
Release Date : 1998
The Effectiveness Of Circular Equating As A Criterion For Evaluating Equating written by Tianyou Wang and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998 with Examinations categories.
The Missing Data Assumptions Of The Nonequivalent Groups With Anchor Test Neat Design And Their Implications For Test Equating Research Report Ets Rr 09 16
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Author : S. Sinharay
language : en
Publisher:
Release Date : 2008
The Missing Data Assumptions Of The Nonequivalent Groups With Anchor Test Neat Design And Their Implications For Test Equating Research Report Ets Rr 09 16 written by S. Sinharay and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008 with categories.
The nonequivalent groups with anchor test (NEAT) design involves missing data that are missing by design. Three popular equating methods that can be used with a NEAT design are the poststratification equating method, the chain equipercentile equating method, and the item-response-theory observed-score-equating method. These three methods each make different assumptions about the missing data in the NEAT design. Though studies have compared the equating performance of the three methods under the NEAT design, none has examined the missing data assumptions and their implications for such comparisons. The missing data assumptions can affect equating studies because it is necessary to fill in the missing data or their distribution in some way in order to have a true, or criterion, equating function to compare the accuracy and bias of the different methods. If the missing data or their distribution are filled in using missing data assumptions that correspond to a given method, that may favor that method in any comparison with the others. This paper first describes the missing data assumptions of the three equating methods and then performs a fair comparison of the 3 methods using data from 3 different operational tests. For each data set, we examine how the 3 equating methods perform when the missing data satisfy the assumptions made by only 1 of these equating methods. The chain equating method is somewhat more satisfactory overall than the other methods in our fair comparison of the methods; hence, we recommend that equating practitioners seriously consider the chain equating method when using the NEAT design. In addition, we conclude that the results from the different equating methods will tend to agree with each other when proper equating conditions are in place. Moreover, to uncover problems that might not reveal themselves otherwise, it is important for operational testing programs to apply multiple equating methods and study the differences among their results. Appendices include: (1) Raking; and (2) Proof of Theorem 1. (Contains 15 tables, 7 figures, and 4 notes.).
Practical Issues In Linear Equating Using The Common Item Nonequivalent Populations Design
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Author : Robert L. Brennan
language : en
Publisher:
Release Date : 1986
Practical Issues In Linear Equating Using The Common Item Nonequivalent Populations Design written by Robert L. Brennan and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1986 with Educational tests and measurements categories.
Notes On Linear Equating Methods For The Non Equivalent Groups Design
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Author : Alina A. von Davier
language : en
Publisher:
Release Date : 2003
Notes On Linear Equating Methods For The Non Equivalent Groups Design written by Alina A. von Davier and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with Educational tests and measurements categories.
Analytic Smoothing For Equipercentile Equating Under The Common Item Nonequivalent Populations Design
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Author : Michael J. Kolen
language : en
Publisher:
Release Date : 1987
Analytic Smoothing For Equipercentile Equating Under The Common Item Nonequivalent Populations Design written by Michael J. Kolen and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1987 with Educational tests and measurements categories.
Congeneric Models And Levine S Linear Equating Procedures
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Author : Robert L. Brennan
language : en
Publisher:
Release Date : 1990
Congeneric Models And Levine S Linear Equating Procedures written by Robert L. Brennan and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990 with Educational tests and measurements categories.
An Investigation Of Two Linear Equating Methods Where Abilities Of Equating Groups Vary
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Author : John Collins Green
language : en
Publisher:
Release Date : 1980
An Investigation Of Two Linear Equating Methods Where Abilities Of Equating Groups Vary written by John Collins Green and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1980 with Ability categories.
Common Item Equating Using The Loglinear Rasch Model
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Author : Henk Kelderman
language : en
Publisher:
Release Date : 1987
Common Item Equating Using The Loglinear Rasch Model written by Henk Kelderman and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1987 with categories.