About IERI: The IEA-ETS Institute

IERI is a collaborative effort between the Research & Development Division at ETS and IEA that focuses on improving the science of large-scale assessments.

IERI undertakes activities around three broad areas of work that include:

• Research studies related to the development and implementation of large-scale assessments;
• Professional development and training; and
• Dissemination of research findings and information gathered through large-scale assessments.

IERI undertakes research activities that address issues surrounding large-scale assessments such as IEA-TIMSS, IEA-PIRLS, OECD-PISA, US-NAEP, OECD-PIAAC, IALS, ALL, etc.