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Net and Global Differential Item Functioning in PISA Polytomously Scored Science Items: Application of the Differential Step Functioning Framework
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Akour, Mutasem; Sabah, Saed; Hammouri, Hind – Journal of Psychoeducational Assessment, 2015
The purpose of this study was to apply two types of Differential Item Functioning (DIF), net and global DIF, as well as the framework of Differential Step Functioning (DSF) to real testing data to investigate measurement invariance related to test language. Data from the Program for International Student Assessment (PISA)-2006 polytomously scored…
Descriptors: Test Bias, Science Tests, Test Items, Scoring
Item Response Theory Models for Wording Effects in Mixed-Format Scales
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Wang, Wen-Chung; Chen, Hui-Fang; Jin, Kuan-Yu – Educational and Psychological Measurement, 2015
Many scales contain both positively and negatively worded items. Reverse recoding of negatively worded items might not be enough for them to function as positively worded items do. In this study, we commented on the drawbacks of existing approaches to wording effect in mixed-format scales and used bi-factor item response theory (IRT) models to…
Descriptors: Item Response Theory, Test Format, Language Usage, Test Items
A Review of International Large-Scale Assessments in Education: Assessing Component Skills and Collecting Contextual Data. PISA for Development
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Cresswell, John; Schwantner, Ursula; Waters, Charlotte – OECD Publishing, 2015
This report reviews the major international and regional large-scale educational assessments, including international surveys, school-based surveys and household-based surveys. The report compares and contrasts the cognitive and contextual data collection instruments and implementation methods used by the different assessments in order to identify…
Descriptors: International Assessment, Educational Assessment, Data Collection, Comparative Analysis
Multimodal Reading Comprehension: Curriculum Expectations and Large-Scale Literacy Testing Practices
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Unsworth, Len – Pedagogies: An International Journal, 2014
Interpreting the image-language interface in multimodal texts is now well recognized as a crucial aspect of reading comprehension in a number of official school syllabi such as the recently published Australian Curriculum: English (ACE). This article outlines the relevant expected student learning outcomes in this curriculum and draws attention to…
Descriptors: Foreign Countries, National Curriculum, Reading Comprehension, Reading Tests
Differential Item Functioning Analysis Using Rasch Item Information Functions
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Wyse, Adam E.; Mapuranga, Raymond – International Journal of Testing, 2009
Differential item functioning (DIF) analysis is a statistical technique used for ensuring the equity and fairness of educational assessments. This study formulates a new DIF analysis method using the information similarity index (ISI). ISI compares item information functions when data fits the Rasch model. Through simulations and an international…
Descriptors: Test Bias, Evaluation Methods, Test Items, Educational Assessment
Scientific Literacy, PISA, and Socioscientific Discourse: Assessment for Progressive Aims of Science Education
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Sadler, Troy D.; Zeidler, Dana L. – Journal of Research in Science Teaching, 2009
In this article, we explore the Programme for International Student Assessment (PISA) with a lens informed by the socioscientific issues (SSI) movement. We consider the PISA definition of scientific literacy and how it is situated with respect to broader discussions of the aims of science education. We also present an overview of the SSI framework…
Descriptors: Test Items, Scientific Literacy, Science Education, Science Process Skills