Comparison Of Johnson Neyman Mantel Haenszel And Partial Correlation Procedures For Detecting Differential Item Performance For Moderate Sample Size
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Comparison Of Johnson Neyman Mantel Haenszel And Partial Correlation Procedures For Detecting Differential Item Performance For Moderate Sample Size
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Author : Dipti Goswami Majumdar
language : en
Publisher:
Release Date : 1991
Comparison Of Johnson Neyman Mantel Haenszel And Partial Correlation Procedures For Detecting Differential Item Performance For Moderate Sample Size written by Dipti Goswami Majumdar and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1991 with Examinations categories.
A Comparison Of The Reliability Of Item Response Theory And Mantel Haenszel Chi Square Procedures For Detecting Differential Item Functioning
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Author : Matthew S. O'Connell
language : en
Publisher:
Release Date : 1991
A Comparison Of The Reliability Of Item Response Theory And Mantel Haenszel Chi Square Procedures For Detecting Differential Item Functioning written by Matthew S. O'Connell and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1991 with Psychology 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.
Differential Item Performance And The Mantel Haenszel Procedure
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Author : Paul W. Holland
language : en
Publisher:
Release Date : 1986
Differential Item Performance And The Mantel Haenszel Procedure written by Paul W. Holland and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1986 with Statistics categories.
Performance Of The Mantel Haenszel Simultaneous Item Bias And Logistic Regression Procedures For Detecting Differential Item Functioning
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Author : Pankaja Narayanan
language : en
Publisher:
Release Date : 1995
Performance Of The Mantel Haenszel Simultaneous Item Bias And Logistic Regression Procedures For Detecting Differential Item Functioning written by Pankaja Narayanan 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 statistics categories.
Improving The Prediction Of Differential Item Functioning
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Author : Susan Cromwell Duncan
language : en
Publisher:
Release Date : 2007
Improving The Prediction Of Differential Item Functioning written by Susan Cromwell Duncan and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007 with categories.
Psychometricians and test developers use DIF analysis to determine if there is possible bias in a given test item. This study examines the conditions under which two predominant methods for determining differential item function compare with each other in item bias detection using an effect size statistic as the basis for comparison. The main focus of the present research was to test whether or not incorporating an effect size for LR DIF will more accurately detect DIF and to compare the utility of an effect size index across MH DIF and LR DIF methods. A simulation study was used to compare the accuracy of MH DIF and LR DIF methods using a p value or supplemented with an effect size. Effect sizes were found to increase the accuracy of DIF and the possibility of the detection of DIF across varying ability distributions, population distributions, and sample size combinations. Varying ability distributions and sample size combinations affected the detection of DIF, while population distributions did not seem to affect the detection of DIF.
Factors Influencing The Performance Of The Mantel Haenszel Procedure In Identifying Differential Item Functioning
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Author : Brian E. Clauser
language : en
Publisher:
Release Date : 1993
Factors Influencing The Performance Of The Mantel Haenszel Procedure In Identifying Differential Item Functioning written by Brian E. Clauser and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993 with Test bias categories.
Comparing Two Extensions Of The Mantel Haenszel Statistic For Detecting Differential Item Functioning On A Direct Writing Assessment
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Author : Tonya R. Moon
language : en
Publisher:
Release Date : 1994
Comparing Two Extensions Of The Mantel Haenszel Statistic For Detecting Differential Item Functioning On A Direct Writing Assessment written by Tonya R. Moon and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with categories.
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.
Differential Item Functioning And Adverse Impact
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Author : Heather JoAn Whiteman
language : en
Publisher:
Release Date : 2011
Differential Item Functioning And Adverse Impact written by Heather JoAn Whiteman and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011 with categories.
This study serves as a comparative analysis of two measures for detecting differential item functioning (DIF) in item responses of 29,171 applicants on a 49 item selection test. The methods compared in this study were two of the more commonly used DIF detection procedures in the testing arena: the Mantel-Haenszel chi-square and the logistic regression procedure. The study focused on the overall effect each method had on adverse impact when used for the removal of items from a test. The study found that the presence of adverse impact findings were decreased by the removal of items displaying DIF, and that the effect on adverse impact differed by method of DIF detection. The study does not however, provide enough evidence to support the use of one DIF detection method over the other in applied settings where considerations such as cost and test reliability are of concern.