Publications
Publications

Publications

IEA is committed to ensuring that our comparative research projects and other large-scale assessments in education are available open access. We focus on sharing and improving the science and outcomes of large-scale assessments in education to enhance teaching and learning around the world.

Our publications include results and supporting information for IEA studies, two open access publication series with Springer and a special IEA Compass series aimed at policymakers and practitioners. Additional publications include our newsletter, infographics and flyers for IEA studies and press releases about IEA results and projects. Please visit the publications database for a full overview of all our materials.

For information on the accessibility of IEA publications or to request content in an alternative format, please see our Accessibility Statement for Publications.

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All Publications

Latest Publications

Study Documents

LaNA 2023 Linking Study User Guide

The LaNA 2023 Linking Study User Guide describes the content and format of the LaNA 2023 Linking Study international database. It provides a comprehensive overview of how to work with the IEA’s International Database (IDB) Analyzer software.

Download PDF3.34 MB

PIRLS Insights: Socioeconomic Status in PIRLS 2021

The PIRLS 2021 Insights report delves into the historical conceptualization and measurement of socioeconomic status, offering valuable insights into its role in the PIRLS 2021 Home Socioeconomic Status scale.

LaNA 2023 Linking Study Results

Results from the LaNA (Literacy and Numeracy Assessment) 2023 Linking Study, an international assessment that measures foundational early reading and mathematics skills at the end of primary school.

ICILS 2023 User Guide

The ICILS 2023 User Guide describes the content and format of the ICILS 2023 international database. It provides a comprehensive overview of how to work with the IEA’s International Database (IDB) Analyzer software, and includes accompanying supplements.

The supplements were updated as of 19 June 2025 to switch the variable names for IISB and NISB on page 313. This is a correction to the original version, which was published on 24 February 2025.

Download PDF3.2 MB

TIMSS 2023 User Guide for International Database

The TIMSS 2023 User Guide describes the content and format of the TIMSS 2023 international database. It introduces weighting and variance estimation variables for analyzing the TIMSS 2023 data.

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Study Documents

International Reports of IEA Studies
National Reports of IEA Studies
Other Reports

Series and Journals

How to Help Students Comprehend Digital Texts

Connected to Volume Two in the Research for Educators Series, this Teacher Snippet shows how six key principles for teaching reading comprehension from digital texts can be applied in the classroom using a digital text from ePIRLS.

Knowledge and Willingness to Act Pro-Environmentally

This open-access publication uses secondary analysis of TIMSS and ICCS data to to investigate education for sustainable development outcomes. Volume 16 analyses disparities in students’ environmental knowledge and their willingness to act pro-environmentally education for sustainable development outcomes.

January 2025: How Large-scale Assessments have Informed Education Policy in Ireland

International large-scale assessments (ILSA) offer valuable data that may reveal areas for educational policy reform. Using Ireland as an example this Compass Brief identifies important issues for policymakers globally to consider when using ILSA data within their own national contexts.

Download PDF3.48 MB

Download PDF (in Irish)3.23 MB

Teacher Snippet: Liking Mathematics Counts: Eighth Grade

This Teacher Snippet highlights findings from TIMSS 2023 delving into eighth-grade students' attitudes toward learning mathematics and how this relates to student achievement.

True or False? Strategies to Encourage Information Evaluation in the Classroom

How can students learn to judge the accuracy of the information they access online? Using findings from IEA’s ICILS 2023 this Teacher Snippet highlights how students can develop the information evaluation skills that are essential to their studies and broader engagement in their digital worlds.

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Series and Journals

IEA Compass: Briefs in Education
IEA Research for Education
Large-scale Assessments in Education

Other Publications

Gauging the Instructional Sensitivity of Ordinal Assessment Items

Awarded project from IEA's Research and Development Call 3, this study was designed to inform item-writing guidelines for educational tests that assess students’ current achievement or learning progress on school curriculum objectives.

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IEA Updates March 2025

Recent highlights from IEA in our quarterly email newsletter, including new study opportunities, releases, updates, and information about upcoming events and new publication releases.

LaNA 2023 Linking Study Infographics

Key infographics highlighting international and national results from the LaNA (Literacy and Numeracy Assessment) 2023 Linking Study.

Download PDF4.3 MB

Approximate Areas of Interest for Enhanced Understanding of Student Motivation and Task Interaction in IEA Assessments

Computer-based assessments collect process data to give insights into testees' response behaviors, strategies, and motivations. This project, supported by the IEA Research and Development Fund, assesses areas that help researchers enhance their understanding of student motivation and how they interact with tasks in large-scale assessments.

Download PDF5.79 MB

TIMSS 2023: Key Takeaways for Policy and Practice

Key takeaways from the TIMSS 2023 International Report for researcher, policymakers, and practitioners.

Download PDF1.95 MB

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Other Publications

Infographics and flyers
Newsletter
Press Releases
R&D Outcomes