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Wu, Jiaxi; Jen, Enyi; Gentry, Marcia – Journal of Advanced Academics, 2018
Summer enrichment and residential programs can provide gifted students with positive social interactions and challenging curricula. However, little research has focused on gifted students' perceptions of the learning environment in such programs. This research project evaluated the psychometric properties and practical applications of the…
Descriptors: Residential Programs, College Programs, Enrichment Activities, Summer Programs
Hessen, David J. – Psychometrika, 2012
A multinormal partial credit model for factor analysis of polytomously scored items with ordered response categories is derived using an extension of the Dutch Identity (Holland in "Psychometrika" 55:5-18, 1990). In the model, latent variables are assumed to have a multivariate normal distribution conditional on unweighted sums of item…
Descriptors: Foreign Countries, Factor Analysis, Testing, Scoring
Tendeiro, Jorge N.; Meijer, Rob R. – Applied Psychological Measurement, 2012
This article extends the work by Armstrong and Shi on CUmulative SUM (CUSUM) person-fit methodology. The authors present new theoretical considerations concerning the use of CUSUM person-fit statistics based on likelihood ratios for the purpose of detecting cheating and random guessing by individual test takers. According to the Neyman-Pearson…
Descriptors: Cheating, Individual Testing, Adaptive Testing, Statistics
Gubbels, Joyce; Segers, Eliane; Keuning, Jos; Verhoeven, Ludo – Gifted Child Quarterly, 2016
The theory of triarchic intelligence posits that, in addition to the widely acknowledged analytical reasoning abilities, creative and practical abilities should be included in the assessments of intellectual capacities and identification of gifted students. To find support for such an approach, the present study examined the psychometric…
Descriptors: Academically Gifted, Elementary School Students, Correlation, Factor Analysis

Kelderman, Henk – 1986
A method is proposed to equate different sets of items administered to different groups of individuals using the Rasch model. A Rasch equating model was formulated to describe one common Rasch scale in different groups with different but overlapping sets of items. The item parameters can then be estimated simultaneously, avoiding different…
Descriptors: Equated Scores, Equations (Mathematics), Estimation (Mathematics), Foreign Countries
Hol, A. Michiel; Vorst, Harrie C. M.; Mellenbergh, Gideon J. – Applied Psychological Measurement, 2007
In a randomized experiment (n = 515), a computerized and a computerized adaptive test (CAT) are compared. The item pool consists of 24 polytomous motivation items. Although items are carefully selected, calibration data show that Samejima's graded response model did not fit the data optimally. A simulation study is done to assess possible…
Descriptors: Student Motivation, Simulation, Adaptive Testing, Computer Assisted Testing

Kelderman, Henk – Psychometrika, 1989
A method is proposed for the detection of item bias with respect to observed or unobserved subgroups, using a loglinear item response theory model assuming a Rasch model for ability and difficulty. A simulation study was performed with 200 sets of data to check the robustness of the method. (SLD)
Descriptors: Equations (Mathematics), Foreign Countries, Higher Education, Item Response Theory
Kelderman, Henk – 1986
A method is proposed for the detection of item bias with respect to observed or unobserved subgroups. The method uses quasi-loglinear models for the incomplete subgroup x test score x item 1 x ... x item k contingency table. If the subgroup membership is unknown, the models are the incomplete-latent-class models of S. J. Haberman (1979). The…
Descriptors: Foreign Countries, Higher Education, Latent Trait Theory, Mathematical Models
Kelderman, Henk; Macready, George B. – 1988
The use of loglinear latent class models to detect item bias was studied. Purposes of the study were to: (1) develop procedures for use in assessing item bias when the grouping variable with respect to which bias occurs is not observed; (2) develop bias detection procedures that relate to a conceptually different assessed trait--a categorical…
Descriptors: Foreign Countries, Higher Education, Latent Trait Theory, Mathematical Models
Kelderman, Henk – 1988
A loglinear item response theory (IRT) model is proposed that relates polytomously scored item responses to a multidimensional latent space. Each item may have a different response function where each item response may be explained by one or more latent traits. Item response functions may follow a partial credit model (D. Andrich, 1978; and G. N.…
Descriptors: Early Childhood Education, Equations (Mathematics), Estimation (Mathematics), Foreign Countries
Pechenizkiy, Mykola; Calders, Toon; Conati, Cristina; Ventura, Sebastian; Romero, Cristobal; Stamper, John – International Working Group on Educational Data Mining, 2011
The 4th International Conference on Educational Data Mining (EDM 2011) brings together researchers from computer science, education, psychology, psychometrics, and statistics to analyze large datasets to answer educational research questions. The conference, held in Eindhoven, The Netherlands, July 6-9, 2011, follows the three previous editions…
Descriptors: Academic Achievement, Logical Thinking, Profiles, Tutoring
Kreeft, Henk; Sanders, Piet – 1983
In the Dutch national examinations, reading comprehension tests are used for all languages. For the native language, reading comprehension is tested with reading passages and related questions to which the test-taker provides his own response, not choosing from a group of alternatives. One problem encountered in testing with these items is…
Descriptors: Dutch, Evaluation Methods, Evaluators, Foreign Countries