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- Differential Item Functioning (2)
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Articles 1 - 5 of 5
Full-Text Articles in Education
Inferential Procedures For Dominance Analysis Measures In Multiple Regression, Shuwen Tang
Inferential Procedures For Dominance Analysis Measures In Multiple Regression, Shuwen Tang
Theses and Dissertations
In order to better interpret a selected multiple regression model, researchers are often interested in whether a predictor is significantly more important than another or not. This study investigates the performance of the Normal-Theory based (asymptotic) confidence interval and bootstrap confidence intervals for predictors' dominance relationships using both normal and non-normal data. The results show that asymptotic confidence interval method is adequate to make inferences for comparing two general dominance measures when the distribution is multivariate normal or slightly non-normal and when the effect size is no less than 0.15 and the sample size is at least 100. However, the …
Assessing Mathematical Competence In Second Language: Exploring Dif Evidences From Pisa Malaysian Data, Mazlina Husin
Assessing Mathematical Competence In Second Language: Exploring Dif Evidences From Pisa Malaysian Data, Mazlina Husin
Theses and Dissertations
The year 2003 represents a significant milestone in the history of education development in Malaysia. From 2003, mathematics and science will be taught in English. This change in policy was deemed necessary to ensure that Malaysians are able to keep abreast with scientific and technological development that is mostly recorded in the English language. However, an unintended consequence of this language change was its huge impact on the national education system and the assessment of that system as well. Whenever students are not tested in their home language, one validity issue arises, which is how language, rather than the targeted …
Dif Analyses In Multilevel Data: Identification And Effects On Ability Estimates, Yao Wen
Dif Analyses In Multilevel Data: Identification And Effects On Ability Estimates, Yao Wen
Theses and Dissertations
Fairness is an important issue in educational testing in that different groups of examinees should have equal probabilities of answering an item correctly, provided they have the same capabilities. Therefore, differential item functioning (DIF) analyses were developed due to the possibility of bias in cognitive or achievement tests. Data are multilevel structured in educational testing as students are nested within teachers who are nested within schools, and which may further be nested within districts. Although DIF analyses have been discussed for decades, they are rarely investigated in multilevel data. In this study, DIF analyses in multilevel data were investigated via …
Validity And Rater Reliability Of Peer And Self Assessments For Urban Middle School Students, Lucas Jackson
Validity And Rater Reliability Of Peer And Self Assessments For Urban Middle School Students, Lucas Jackson
Theses and Dissertations
This project studied the validity and reliability of self and peer assessments used for group work. The targeted population is middle school students in urban schools. The sample includes 45 sixth graders selected from a public middle school in a large Midwestern metropolitan area. The students worked in groups to complete a classroom project. Self and peer assessment forms were used to rate each member's contribution to the group work. A Generalizability Theory design was used to evaluate the reliability of self and peer assessments. The validity of student ratings was assessed by comparing them to those assigned by the …
(Re)Envisioning Placement For 21st Century Writing Programs, Jessica Nastal-Dema
(Re)Envisioning Placement For 21st Century Writing Programs, Jessica Nastal-Dema
Theses and Dissertations
Writing assessment has continued to gain prominence within educational settings and public discourse in the United States throughout the past century. Placement into First-Year Writing, however, is consistently ignored in the scholarly literature, despite its central role within writing assessment and the university. This dissertation argues that placement is central to all students' university experiences, and deserves more attention. Placement is at the heart of composition: it affects each student, each instructor, each writing program, each institution. It significantly influences retention, instruction, budget, and even national reputation, since student retention and graduation rates are key factors in national rankings such …