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How does PIAAC differ from earlier adult literacy assessments, like IALS and ALL?

April 26, 2017Adult assessments differ IALS Literacy piaac

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How does PIAAC differ from earlier adult literacy assessments, like IALS and ALL?

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• PIAAC expands on knowledge and experiences gained from previous international adult assessmentsthe International Adult Literacy Survey (IALS) and the Adult Literacy and Lifeskills Survey (ALL). PIAAC improves and expands on these previous assessments cognitive frameworks, and has added an assessment of problem solving via computer, which was not a component of the previous studies. In addition, PIAAC is capitalizing on prior experiences with IALS and ALL in its approach to survey design and sampling, measurement, data collection procedures, data processing, and weighting and estimation. Finally, the most significant difference between PIAAC and previous large-scale literacy assessments, including IALS and ALL, is that PIAAC is administered on laptop computers, and is designed to be a computer-adaptive assessment so respondents will receive groups of items targeted to their performance levels.