Frequently Asked Questions

In addition to the following questions about PIRLS, more FAQs about international assessments are available at: http://nces.ed.gov/surveys/international/faqs.asp.

• What is PIRLS?
• What questions can PIRLS answer?
• What aspects of reading literacy are assessed in PIRLS?
• What are the components of PIRLS?
• What is the data collection schedule?
• What is the sample design?
• Which countries are participating?
• How was PIRLS developed and administered?
• How does PIRLS compare to the NAEP fourth-grade reading assessment?
• Where can I get a copy of the PIRLS U.S. Report?
• When will PIRLS be administered again?

What is the data collection schedule?

In both hemispheres, PIRLS is conducted near the end of the school year. Thus, for PIRLS 2011, countries in the Southern Hemisphere conducted the study between October and December, 2010. Countries in the Northern Hemisphere conducted the study between March and June, 2011.

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