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Showing 1 to 15 of 40 results Save | Export
Li, Dan; Benton, Stephen L. – IDEA Center, Inc., 2017
In the study evaluated in this report, the authors asked what effect survey length has on student non-response rates to individual items on IDEA's "Diagnostic Feedback" (DF) and "Learning Essentials" (LE) forms. The approach was to analyze individual student ratings of classes contained in the 2015-2016 IDEA-CL database.…
Descriptors: Response Rates (Questionnaires), Student Surveys, Test Length, Test Items
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Vaheoja, Monika; Verhelst, N. D.; Eggen, T.J.H.M. – European Journal of Science and Mathematics Education, 2019
In this article, the authors applied profile analysis to Maths exam data to demonstrate how different exam forms, differing in difficulty and length, can be reported and easily interpreted. The results were presented for different groups of participants and for different institutions in different Maths domains by evaluating the balance. Some…
Descriptors: Feedback (Response), Foreign Countries, Statistical Analysis, Scores
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Yao, Lihua – Applied Psychological Measurement, 2013
Through simulated data, five multidimensional computerized adaptive testing (MCAT) selection procedures with varying test lengths are examined and compared using different stopping rules. Fixed item exposure rates are used for all the items, and the Priority Index (PI) method is used for the content constraints. Two stopping rules, standard error…
Descriptors: Computer Assisted Testing, Adaptive Testing, Test Items, Selection
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Kahraman, Nilufer; Thompson, Tony – Journal of Educational Measurement, 2011
A practical concern for many existing tests is that subscore test lengths are too short to provide reliable and meaningful measurement. A possible method of improving the subscale reliability and validity would be to make use of collateral information provided by items from other subscales of the same test. To this end, the purpose of this article…
Descriptors: Test Length, Test Items, Alignment (Education), Models
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Wang, Wen-Chung; Liu, Chen-Wei – Educational and Psychological Measurement, 2011
The generalized graded unfolding model (GGUM) has been recently developed to describe item responses to Likert items (agree-disagree) in attitude measurement. In this study, the authors (a) developed two item selection methods in computerized classification testing under the GGUM, the current estimate/ability confidence interval method and the cut…
Descriptors: Computer Assisted Testing, Adaptive Testing, Classification, Item Response Theory
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Camilli, Gregory – Educational Research and Evaluation, 2013
In the attempt to identify or prevent unfair tests, both quantitative analyses and logical evaluation are often used. For the most part, fairness evaluation is a pragmatic attempt at determining whether procedural or substantive due process has been accorded to either a group of test takers or an individual. In both the individual and comparative…
Descriptors: Alternative Assessment, Test Bias, Test Content, Test Format
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Lee, Young-Sun; Wollack, James A.; Douglas, Jeffrey – Educational and Psychological Measurement, 2009
The purpose of this study was to assess the model fit of a 2PL through comparison with the nonparametric item characteristic curve (ICC) estimation procedures. Results indicate that three nonparametric procedures implemented produced ICCs that are similar to that of the 2PL for items simulated to fit the 2PL. However for misfitting items,…
Descriptors: Nonparametric Statistics, Item Response Theory, Test Items, Simulation
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Cui, Zhongmin; Kolen, Michael J. – Applied Psychological Measurement, 2008
This article considers two methods of estimating standard errors of equipercentile equating: the parametric bootstrap method and the nonparametric bootstrap method. Using a simulation study, these two methods are compared under three sample sizes (300, 1,000, and 3,000), for two test content areas (the Iowa Tests of Basic Skills Maps and Diagrams…
Descriptors: Test Length, Test Content, Simulation, Computation
Wu, Margaret – OECD Publishing (NJ1), 2010
This paper makes an in-depth comparison of the PISA (OECD) and TIMSS (IEA) mathematics assessments conducted in 2003. First, a comparison of survey methodologies is presented, followed by an examination of the mathematics frameworks in the two studies. The methodologies and the frameworks in the two studies form the basis for providing…
Descriptors: Mathematics Achievement, Foreign Countries, Gender Differences, Comparative Analysis
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Cui, Ying; Leighton, Jacqueline P. – Journal of Educational Measurement, 2009
In this article, we introduce a person-fit statistic called the hierarchy consistency index (HCI) to help detect misfitting item response vectors for tests developed and analyzed based on a cognitive model. The HCI ranges from -1.0 to 1.0, with values close to -1.0 indicating that students respond unexpectedly or differently from the responses…
Descriptors: Test Length, Simulation, Correlation, Research Methodology
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Emons, Wilco H. M.; Sijtsma, Klaas; Meijer, Rob R. – Psychological Methods, 2007
Short tests containing at most 15 items are used in clinical and health psychology, medicine, and psychiatry for making decisions about patients. Because short tests have large measurement error, the authors ask whether they are reliable enough for classifying patients into a treatment and a nontreatment group. For a given certainty level,…
Descriptors: Psychiatry, Patients, Error of Measurement, Test Length
Chen, Shu-Ying; Ankenmann, Robert D.; Spray, Judith A. – 1999
This paper presents a derivation of an average between-test overlap index as a function of the item exposure index, for fixed-length computerized adaptive tests (CAT). This relationship is used to investigate the simultaneous control of item exposure at both the item and test levels. Implications for practice as well as future research are also…
Descriptors: Adaptive Testing, Computer Assisted Testing, Item Banks, Test Items
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Neustel, Sandra – 2001
As a continuing part of its validity studies, the Association of American Medical Colleges commissioned a study of the speediness of the Medical College Admission Test (MCAT). If speed is a hidden part of the test, it is a threat to its construct validity. As a general rule, the criterion used to indicate lack of speediness is that 80% of the…
Descriptors: College Applicants, College Entrance Examinations, Higher Education, Medical Education
Ito, Kyoko; Sykes, Robert C. – 2000
This study investigated the practice of weighting a type of test item, such as constructed response, more than other types of items, such as selected response, to compute student scores for a mixed-item type of test. The study used data from statewide writing field tests in grades 3, 5, and 8 and considered two contexts, that in which a single…
Descriptors: Constructed Response, Elementary Education, Essay Tests, Test Construction
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De Ayala, R. J. – Applied Psychological Measurement, 1994
Previous work on the effects of dimensionality on parameter estimation for dichotomous models is extended to the graded response model. Datasets are generated that differ in the number of latent factors as well as their interdimensional association, number of test items, and sample size. (SLD)
Descriptors: Estimation (Mathematics), Item Response Theory, Maximum Likelihood Statistics, Sample Size
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