In 1991, the United States participated in the International Evaluation of Educational Achievement (IEA) Reading Literacy Study that assessed the reading literacy of fourth-grade students in 32 countries. When a new study of fourth-grade reading literacy was being planned for 2001, the IEA decided to create a new assessment: Progress in International Reading Literacy Study (PIRLS). This Working Paper compares the frameworks, texts, and items of these two international studies.
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