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Practical Significance of Item Misfit and Its Manifestations in Constructs Assessed in Large-Scale Studies
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Fährmann, Katharina; Köhler, Carmen; Hartig, Johannes; Heine, Jörg-Henrik – Large-scale Assessments in Education, 2022
When scaling psychological tests with methods of item response theory it is necessary to investigate to what extent the responses correspond to the model predictions. In addition to the statistical evaluation of item misfit, the question arises as to its practical significance. Although item removal is undesirable for several reasons, its…
Descriptors: Psychological Testing, Scaling, Test Items, Item Response Theory
Empirical Study of a Competence Structure Model Regarding Conversions of Representations -- The Case of Fractions
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Dreher, Anika; Kuntze, Sebastian; Winkel, Kirsten – North American Chapter of the International Group for the Psychology of Mathematics Education, 2014
Given the key role of conversions of representations for mathematical understanding, it is highly relevant to investigate in detail competencies regarding conversions of representations. In particular, a corresponding competence model should not only be developed theoretically, but also examined empirically. However, such empirical studies are…
Descriptors: Mathematics Skills, Mathematical Concepts, Fractions, Item Response Theory
The Law of Categorical Judgment (Corrected) Extended: A Note on Rosner and Kochanski (2009)
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Klauer, Karl Christoph; Kellen, David – Psychological Review, 2012
Rosner and Kochanski (2009) noticed an inconsistency in the mathematical statement of the Law of Categorical Judgment and derived "the valid equation, the Law of Categorical Judgment (Corrected)" (p. 125). The purpose of this comment is to point out that the law can be corrected in many different ways, leading to substantially different…
Descriptors: Test Items, Goodness of Fit, Mathematics Education, Models
Computational Typologies of Multidimensional End-of-Primary-School Performance Profiles from an Educational Perspective of Large-Scale TIMSS and PIRLS Surveys
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Unlu, Ali; Schurig, Michael – Current Issues in Comparative Education, 2015
Recently, performance profiles in reading, mathematics and science were created using the data collectively available in the Trends in International Mathematics and Science Study (TIMSS) and the Progress in International Reading Literacy Study (PIRLS) 2011. In addition, a classification of children to the end of their primary school years was…
Descriptors: Achievement Tests, Elementary Secondary Education, Mathematics Tests, Foreign Countries
Offline and Online Civic Engagement among Adolescents and Young Adults from Three Ethnic Groups
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Jugert, Philipp; Eckstein, Katharina; Noack, Peter; Kuhn, Alexandra; Benbow, Alison – Journal of Youth and Adolescence, 2013
Levels of civic engagement are assumed to vary according to numerous social and psychological characteristics, but not much is known about online civic engagement. This study aimed to investigate differences and similarities in young people's offline and online civic engagement and to clarify, based on Ajzen's theory of planned behavior (TPB),…
Descriptors: Motivation, Behavior Theories, Ethnic Groups, Migrants
Using the General Diagnostic Model to Measure Learning and Change in a Longitudinal Large-Scale Assessment. Research Report. ETS RR-09-28
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von Davier, Matthias; Xu, Xueli; Carstensen, Claus H. – Educational Testing Service, 2009
A general diagnostic model was used to specify and compare two multidimensional item-response-theory (MIRT) models for longitudinal data: (a) a model that handles repeated measurements as multiple, correlated variables over time (Andersen, 1985) and (b) a model that assumes one common variable over time and additional orthogonal variables that…
Descriptors: Models, Item Response Theory, Longitudinal Studies, Measurement