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Comparing the Score Interpretation across Modes in PISA: An Investigation of How Item Facets Affect Difficulty
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Harrison, Scott; Kroehne, Ulf; Goldhammer, Frank; Lüdtke, Oliver; Robitzsch, Alexander – Large-scale Assessments in Education, 2023
Background: Mode effects, the variations in item and scale properties attributed to the mode of test administration (paper vs. computer), have stimulated research around test equivalence and trend estimation in PISA. The PISA assessment framework provides the backbone to the interpretation of the results of the PISA test scores. However, an…
Descriptors: Scoring, Test Items, Difficulty Level, Foreign Countries
Comparing Different Trend Estimation Approaches in Country Means and Standard Deviations in International Large-Scale Assessment Studies
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Robitzsch, Alexander; Lüdtke, Oliver – Large-scale Assessments in Education, 2023
One major aim of international large-scale assessments (ILSA) like PISA is to monitor changes in student performance over time. To accomplish this task, a set of common items (i.e., link items) is repeatedly administered in each assessment. Linking methods based on item response theory (IRT) models are used to align the results from the different…
Descriptors: Educational Trends, Trend Analysis, International Assessment, Achievement Tests
Evaluating the Effects of Analytical Decisions in Large-Scale Assessments: Analyzing PISA Mathematics 2003-2012
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Heine, Jörg-Henrik; Robitzsch, Alexander – Large-scale Assessments in Education, 2022
Research Question: This paper examines the overarching question of to what extent different analytic choices may influence the inference about country-specific cross-sectional and trend estimates in international large-scale assessments. We take data from the assessment of PISA mathematics proficiency from the four rounds from 2003 to 2012 as a…
Descriptors: Foreign Countries, International Assessment, Achievement Tests, Secondary School Students