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Polat, Murat; Turhan, Nihan S.; Toraman, Cetin – Pegem Journal of Education and Instruction, 2022
Testing English writing skills could be multi-dimensional; thus, the study aimed to compare students' writing scores calculated according to Classical Test Theory (CTT) and Multi-Facet Rasch Model (MFRM). The research was carried out in 2019 with 100 university students studying at a foreign language preparatory class and four experienced…
Descriptors: Comparative Analysis, Test Theory, Item Response Theory, Student Evaluation
Longabach, Tanya; Peyton, Vicki – Language Testing, 2018
K-12 English language proficiency tests that assess multiple content domains (e.g., listening, speaking, reading, writing) often have subsections based on these content domains; scores assigned to these subsections are commonly known as subscores. Testing programs face increasing customer demands for the reporting of subscores in addition to the…
Descriptors: Comparative Analysis, Test Reliability, Second Language Learning, Language Proficiency
Dirlik, Ezgi Mor – International Journal of Progressive Education, 2019
Item response theory (IRT) has so many advantages than its precedent Classical Test Theory (CTT) such as non-changing item parameters, ability parameter estimations free from the items. However, in order to get these advantages, some assumptions should be met and they are; unidimensionality, normality and local independence. However, it is not…
Descriptors: Comparative Analysis, Nonparametric Statistics, Item Response Theory, Models
Raykov, Tenko; Marcoulides, George A. – Educational and Psychological Measurement, 2016
The frequently neglected and often misunderstood relationship between classical test theory and item response theory is discussed for the unidimensional case with binary measures and no guessing. It is pointed out that popular item response models can be directly obtained from classical test theory-based models by accounting for the discrete…
Descriptors: Test Theory, Item Response Theory, Models, Correlation
Ogbonna, Samuel C. – ProQuest LLC, 2017
The purpose of the researcher in this quantitative study was to examine the relationship between principals' leadership practices, school culture, and student achievement as perceived by elementary school teachers. The researcher established the 5 research questions to: (a) determine the differences between high- and low-achievement schools on the…
Descriptors: Academic Achievement, School Culture, High Achievement, Low Achievement
Sinharay, Sandip; Haberman, Shelby J. – International Journal of Testing, 2014
Recently there has been an increasing level of interest in subtest scores, or subscores, for their potential diagnostic value. Haberman (2008) suggested a method to determine if a subscore has added value over the total score. Researchers have often been interested in the performance of subgroups--for example, those based on gender or…
Descriptors: Scores, Achievement Tests, Language Tests, English (Second Language)
Sussman, Joshua; Beaujean, A. Alexander; Worrell, Frank C.; Watson, Stevie – Measurement and Evaluation in Counseling and Development, 2013
Item response models (IRMs) were used to analyze Cross Racial Identity Scale (CRIS) scores. Rasch analysis scores were compared with classical test theory (CTT) scores. The partial credit model demonstrated a high goodness of fit and correlations between Rasch and CTT scores ranged from 0.91 to 0.99. CRIS scores are supported by both methods.…
Descriptors: Item Response Theory, Test Theory, Measures (Individuals), Racial Identification
Wheadon, Christopher – Research Papers in Education, 2013
This paper describes how item response theory (IRT) methods of test-equating could be applied to the maintenance of public examination standards in England. IRT methods of test-equating have been sparingly applied to the main public examinations in England, namely the General Certificate of Secondary Education (GCSE), the equivalent of a school…
Descriptors: Test Theory, Foreign Countries, Exit Examinations, Item Response Theory
Almehrizi, Rashid S. – Applied Psychological Measurement, 2013
The majority of large-scale assessments develop various score scales that are either linear or nonlinear transformations of raw scores for better interpretations and uses of assessment results. The current formula for coefficient alpha (a; the commonly used reliability coefficient) only provides internal consistency reliability estimates of raw…
Descriptors: Raw Scores, Scaling, Reliability, Computation
Green-Gibson, Andrea – ProQuest LLC, 2011
This mixed, causal-comparative study was an investigation of culture infusion methods and AYP of two different public schools in Chicago, a school that infuses African culture and a school that does not. The purpose of the study was to identify if there was a significant causative relationship between culture infusion methods and Adequate Yearly…
Descriptors: Urban Schools, Public Schools, Correlation, Academic Achievement
Wiberg, Marie; Sundstrom, Anna – Practical Assessment, Research & Evaluation, 2009
A common problem in predictive validity studies in the educational and psychological fields, e.g. in educational and employment selection, is restriction in range of the predictor variables. There are several methods for correcting correlations for restriction of range. The aim of this paper was to examine the usefulness of two approaches to…
Descriptors: Predictive Validity, Predictor Variables, Correlation, Mathematics

Williams, Richard H.; Zimmerman, Donald W. – Journal of Experimental Education, 1982
The reliability of simple difference scores is greater than, less than, or equal to that of residualized difference scores, depending on whether the correlation between pretest and posttest scores is greater than, less than, or equal to the ratio of the standard deviations of pretest and posttest scores. (Author)
Descriptors: Achievement Gains, Comparative Analysis, Correlation, Pretests Posttests
Xu, Yuejin; Iran-Nejad, Asghar; Thoma, Stephen J. – Journal of Interactive Online Learning, 2007
The purpose of the study was to determine comparability of an online version to the original paper-pencil version of Defining Issues Test 2 (DIT2). This study employed methods from both Classical Test Theory (CTT) and Item Response Theory (IRT). Findings from CTT analyses supported the reliability and discriminant validity of both versions.…
Descriptors: Computer Assisted Testing, Test Format, Comparative Analysis, Test Theory

O'Grady, Kevin E.; Medoff, Deborah R. – Multivariate Behavioral Research, 1991
A procedure for evaluating a variety of rater reliability models is presented. A multivariate linear model is used to describe and assess a set of ratings. Parameters are represented in terms of a factor analytic model, and maximum likelihood methods test the model parameters. Illustrative examples are presented. (SLD)
Descriptors: Comparative Analysis, Correlation, Equations (Mathematics), Estimation (Mathematics)
Sammon, Susan F. – 1988
A study investigated whether a positive correlation existed between scores obtained by incoming freshman on the recently developed Degrees of Reading Power Test (DRP) and the required Reading Comprehension subtest of the New Jersey College Basic Skills Placement Test (NJCBSPT). The subjects, 217 William Paterson College freshman enrolled in a…
Descriptors: Comparative Analysis, Comparative Testing, Correlation, Educational Testing
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