Performance Of The Mantel Haenszel Statistic And The Standardized Difference In Proportions Correct When Population Ability Distributions Are Incongruent
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Performance Of The Mantel Haenszel Statistic And The Standardized Difference In Proportions Correct When Population Ability Distributions Are Incongruent
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Author : Judith A. Spray
language : en
Publisher:
Release Date : 1992
Performance Of The Mantel Haenszel Statistic And The Standardized Difference In Proportions Correct When Population Ability Distributions Are Incongruent written by Judith A. Spray and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1992 with Educational tests and measurements categories.
A Comparison Of Mantel Haenszel Differential Functioning Parameters
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Author : Deborah L. Schnipke
language : en
Publisher:
Release Date : 2000
A Comparison Of Mantel Haenszel Differential Functioning Parameters written by Deborah L. Schnipke and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000 with Law School Admission Test categories.
Resources In Education
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Author :
language : en
Publisher:
Release Date : 1993
Resources In Education written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993 with Education categories.
A Formulation Of The Mantel Haenszel Differential Item Functioning Parameter With Practical Implications
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Author : Louis Ablen Roussos
language : en
Publisher:
Release Date : 2000
A Formulation Of The Mantel Haenszel Differential Item Functioning Parameter With Practical Implications written by Louis Ablen Roussos and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000 with Educational tests and measurements categories.
An Analytical Evaluation Of Two Common Odds Ratios As Population Indicators Of Dif
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Author : Mary Pommerich
language : en
Publisher:
Release Date : 1995
An Analytical Evaluation Of Two Common Odds Ratios As Population Indicators Of Dif written by Mary Pommerich and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with Educational tests and measurements categories.
Resources In Education
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Author :
language : en
Publisher:
Release Date : 1993
Resources In Education written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993 with Education categories.
The Effects Of Matching Criterion Contamination On The Mantel Haenszel Procedure
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Author : Randall David Penfield
language : en
Publisher:
Release Date : 2000
The Effects Of Matching Criterion Contamination On The Mantel Haenszel Procedure written by Randall David Penfield and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000 with categories.
Modern bias detection procedures search for differences in item performance between demographic groups after conditioning on an estimate of the ability intended to be measured by the test. The estimate of ability is typically some function of the total test score. Since examinees with equal test scores are said to be matched on ability, the internal measure of ability is referred to as the matching criterion. When the test contains one or more biased items, the test score will not be a valid measure of ability. As a result, the matching criterion is said to be contaminated by the biased items. This study consists of a comprehensive examination of the Mantel-Haenszel (MH) procedure in the presence of a contaminated matching criterion. This examination focused on two primary issues: (1) assessing the effects of contamination on the MH procedure, and (2) developing alternative DIF detection procedures which are robust to contamination. The results indicate that the presence of contamination has minor effects on the MH procedure when contamination is small or moderate, but has substantial effects when contamination is large. The effects were related to the proportion of items containing contamination, and increased as the level of DIF in the contaminated items increased. Two solutions to the problem of matching criterion contamination solutions were proposed. First, a procedure was developed that adjusts the obtained MH value to correct for the effects of contamination. The results of a simulation study suggest that the adjustment is effective in general at correcting for the effects of contamination, losing efficiency only under the most severe levels of contamination and the smaller sample size ('N' = 250). A second solution to the problem of contamination was the proposal of ' MB-DIF', a new statistic that is theoretically robust to the effects of contamination. The results of a simulation study indicate that the performance of 'MB-DIF' exceeds that of the MH adjustment, particularly when sample sizes were large ('N' = 1000). Under the condition of large sample sizes, 'MB-DIF' was completely robust to the effects of contamination, maintaining power and Type I error rates identical to control conditions in which no contamination existed. The performance of ' MB-DIF' suffered slightly when sample sizes were small ('N ' = 250), largely due to inflated Type I error rates under large levels of contamination. The findings have two implications. First, bias detection analyses should consider the possible magnitude of bias in other items in the test when investigating the magnitude of bias in any given item. Second, adjustment procedures can control for the majority of the underestimation in DIF statistics when the matching criterion is contaminated. It appears that 'MB-DIF' offers a more effective solution to the problem of matching criterion contamination than adjusting the MH value.
The Relationship Between Item Statistics And The Mantel Haenszel And Standardization Dif Statistics When Comparison Groups Differ In Ability
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Author : Sheue-Mei Lu
language : en
Publisher:
Release Date : 1996
The Relationship Between Item Statistics And The Mantel Haenszel And Standardization Dif Statistics When Comparison Groups Differ In Ability written by Sheue-Mei Lu and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1996 with Examinations categories.