Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 17 of 17 for “"Item Bias"”.
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Modeling item bias in fixed-item tests and computerized adaptive tests
Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2023-09-01 without embargo terms
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ITEM BIAS IN THE MCCARTHY SCALES OF CHILDREN'S ABILITIES FOR ANGLO AND MEXICAN-AMERICAN CHILDREN
This study investigated cultural bias in the 46 Verbal items of the McCarthy Scales of Children's Abilities (MSCA). Two separate approaches to the examination of item bias were utilized. The first approach examined item bias empirically by comparing performance differences in terms of correct item …
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The Relationship of Passage Independent and Passage Dependent Test Items to Each Other and to Cultural Item Bias
… of pre-specified standardized achievement test item characteristics to culturally related item bias. The relative passage or context independence of certain reading comprehension items was hypothesized to be a potential source of such bias in an example test, the Science Research Associates …
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Item Bias in the Verbal Segment of the Scholastic Aptitude Test (Sat) for High School Students in the United States Virgin Islands
This dissertation reports the findings of an item bias study. The study was undertaken using the modified three parameter item response theory (IRT) technique first proposed by Linn and Harnisch (1981) and recently validated by Shepard, Camilli, and Williams (1985). The population of interest was …
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A comparison of the effects of conventional testing and two-stage testing procedures on item bias as defined by three statistical techniques
… of the study was to compare the effects on item bias of conventional testing procedures to the effects of two-stage testing procedures. It is conjectured that much of the measurement error identified as bias can be explained by factors, such as guessing or carelessness, attributable to …
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An empirical investigation of the robustness of the Mantel-Haenszel procedure and sources of differential item functioning
… procedure used to appraise differential item functioning or item bias and to investigate item characteristics which results in differential performance for the gender and ethnicity comparison.
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Psychometric examination of the color-blind racial attitudes scale for use among Asian Americans
… from three published studies. Differential item functioning (DIF) was used to explore the psychometric properties of the measure. Results from the DIF using a LA-LOR estimate identified five items across two of the three CoBRAS factors as exhibiting DIF. Interpretation of the items …
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An Evaluation of the Structure, Comorbidity, and Correlates of Posttraumatic Stress Responses in Older Adults Across Multiple National Samples
… adults. Four DSM-5 symptoms demonstrated sex item-bias, with females being more likely to endorse three symptoms (B1: 'unwanted memories', B4: 'feeling upset', and E6: 'sleep problems') and males being more likely to endorse one symptom (E2: ‘reckless or self-destructive behaviour’). …
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Tone-noise dichotomy : investigating tonal content magnitude & pitch strength
… Bewertungsunterschiede können mit Hilfe einer „Item Bias“-Analyse auf differentielle Skalenbenutzung zurückgeführt werden. Um die Hypothese des Zusammenhangs zwischen der AdT und dem ebenmerklichen Unterschied in der Frequenz zu testen, wird ein Segregationsexperiment durchgeführt, in dem die …
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A Study of the Robustness of the Three-Parameter Item Response Model
… to investigate the use of the three-parameter item response model on psychological test data which violated the model's assumptions of large sample sizes, long tests and test unidimensionality. The accuracy of the person ability and item characteristic curve parameter estimates derived by the …
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Towards establishing the equivalence of the IsiXhosa and English versions of the Woodcok Munoz language survey : an item and construct bias analysis of the verbal analogies scale
… had two sub aims. The first was to investigate item bias by identifying DIF items in the VA scale across the isiXhosa and English by conducting a logistic regression and Mantel-Haenszel procedure. Five items were identified by both techniques as DIF. The second sub aim was to evaluate construct …
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An evaluation of item response theory for detecting differential item functioning of examinees' responses to the seventh grade mathematics MEAP test investigating learner characteristics /
… examinees, and others. The consequence of bias testing creates "high stakes" for all stakeholders. During the past 50 years several cycles of dissatisfaction and reform occurred in educational testing (McGhee, 1995). Large scale testing was used to make decisions regarding college entrance, …
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Towards a culture-free model of the Big Five - a cross-cultural investigation of the Orpheus in four different language families
… and Leung's (1997) Theory of Equivalence and Bias. In contrast to extant research which has largely concentrated on the adaptation of ability measures the present research was operationalised through adapting and translating Orpheus, a work-based Big Five personality questionnaire, into …
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An evaluation of group differences and items bias, across rural isiXhosa learners and urban isiXhosa learners, of the isiXhosa version of the Woodcock Muñoz Language Survey (WMLS)
… of tests used in such contexts in order to avoid bias caused by language. Different language versions of tests then need to be evaluated for equivalence, to ensure that scores across the different language versions have the same meaning. Differences in dialects may also impact on the results of …
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Comparison of the Item Response Theory with Covariates Model and Explanatory Cognitive Diagnostic Model for Detecting and Explaining Differential Item Functioning
… ways, including the examination of differential item functioning (DIF). An item exhibits DIF if a subgroup has a lower probability of answering an item correctly than another subgroup after matching on academic achievement. Subgroups include race, spoken language, disability status, or sex. Under …
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Gender and Ethnicity-Based Differential Item Functioning on the Myers-Briggs Type Indicator
Item Response Theory (IRT) methodologies were employed in order to examine the Myers-Briggs Type Indicator (MBTI) for differential item functioning (DIF) on the basis of crossed gender and ethnicity variables. White males were the reference group, and the focal groups were: black females, black …
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Measurement of teacher attitude to direct instruction
… the teaching method, Direct Instruction. The 40 item Attitude towards Direct Instruction (AD I) scale comprised 30 items derived from a questionnaire designed by Proctor (1989) in addition to ten new items created especially for the study. The scoring function comprised the familiar Likert rating …