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Investigating Item Complexity as a Source of Cross-National DIF in TIMSS Math and Science
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Qi Huang; Daniel M. Bolt; Weicong Lyu – Large-scale Assessments in Education, 2024
Large scale international assessments depend on invariance of measurement across countries. An important consideration when observing cross-national differential item functioning (DIF) is whether the DIF actually reflects a source of bias, or might instead be a methodological artifact reflecting item response theory (IRT) model misspecification.…
Descriptors: Test Items, Item Response Theory, Test Bias, Test Validity
The TIMSS 2019 Item Equivalence Study: Examining Mode Effects for Computer-Based Assessment and Implications for Measuring Trends
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Fishbein, Bethany; Martin, Michael O.; Mullis, Ina V. S.; Foy, Pierre – Large-scale Assessments in Education, 2018
Background: TIMSS 2019 is the first assessment in the TIMSS transition to a computer-based assessment system, called eTIMSS. The TIMSS 2019 Item Equivalence Study was conducted in advance of the field test in 2017 to examine the potential for mode effects on the psychometric behavior of the TIMSS mathematics and science trend items induced by the…
Descriptors: Mathematics Achievement, Science Achievement, Mathematics Tests, Elementary Secondary Education
The Use of Test Scores from Large-Scale Assessment Surveys: Psychometric and Statistical Considerations
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Braun, Henry; von Davier, Matthias – Large-scale Assessments in Education, 2017
Background: Economists are making increasing use of measures of student achievement obtained through large-scale survey assessments such as NAEP, TIMSS, and PISA. The construction of these measures, employing plausible value (PV) methodology, is quite different from that of the more familiar test scores associated with assessments such as the SAT…
Descriptors: Scores, Test Use, Measurement, Psychometrics
TIMSS Data in an African Comparative Perspective: Investigating the Factors Influencing Achievement in Mathematics and Their Psychometric Properties
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Bofah, Emmanuel Adu-tutu; Hannula, Markku S. – Large-scale Assessments in Education, 2015
Relationships among motivational constructs from the 2011 Trends in International Mathematics and Science Study (TIMSS 2011) were investigated for eight-graders in all the five participating African countries, representing 38,806 (49 % girls). First, we investigated the psychometric properties (factor structure, reliabilities, method effect, and…
Descriptors: Achievement Tests, Foreign Countries, International Assessment, Mathematics Tests