Skip to main content
عربى
ES
FR
JOIN US
CONTACT
Search
Search
Enter the terms you wish to search for.
Studies
IEA Studies
TIMSS
PIRLS
ICCS
ICILS
LaNA
Other IEA studies
Early IEA Studies
Studies in Germany
Evaluation Startchancen-Programm
ICCS Germany
IGLU Germany
Monitoring Educational Standards
NEPS
PISA Germany
Safe!
TIMSS Germany
TOSCAneo
Other Studies in Germany
Additional Studies
IELS
PIAAC
Rosetta Stone
TALIS
Research Services
Study Support
Study Design and Management
Sampling
Manuals and Guidelines
Software Development
Study Instruments
Data Collection
Data Entry, Processing and Coding
Data Analysis and Reporting
Other Support Services
Training
IEA Workshops
Workshops on Demand
IERI Academies
IDB Analyzer Tutorials
Open lectures
Consultancy and Capacity Building
LaNA
BEAM
National Assessments
PRIDI: Programa Regional de Indicadores de Desarrollo Infantil
Publications
Study Reports
International Reports
National Reports
Other Reports
Series and Journals
IEA Compass: Briefs in Education
IEA Research for Education Series
Large-scale Assessments in Education Journal
IEA Resources for Teachers
IEA Research for Educators
IEA Teacher Snippets
Other Publications
Infographics and flyers
Newsletters
Press Releases
R&D Outcomes
Data & Tools
Data Repository
TIMSS Data
TIMSS Longitudinal Data
TIMSS Advanced Data
PIRLS Data
ICCS Data
ICILS Data
LaNA Data
REDS Data
CIVED Data
SITES Data
TEDS-M Data
RL II Data
Tools
IDB Analyzer
User Guides
ILSA Gateway
NCES Data Explorer
IEA Studies & Data Protection
Using Study Materials
Permission Request Guidelines
Permission Request Form
Permission Request Disclaimer
News & Events
Upcoming Events
News
International Research Conference
General Assembly Meetings
Past Events
About us
Organization
Mission and Strategy
IEA Compliance Commitment
Legal Status
History
Our Offices
Our Staff
Our Committees
Members & Partners
Honorary Membership
Membership and Participating Institutions
International Study Centers
Partnerships
Opportunities
Current Vacancies
Join Us
Research and Development Fund
IEA Research Awards
Research & Policy Grant for Early Career Researchers
Academic Visitor Program
Home
About Us
Organization
Dr. Dries Verhelst
Dr. Dries Verhelst
Dr. Dries Verhelst
Country / Participating Entity Belgium (Flemish)
