PISA 2009 Technical Report

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The PISA 2009 Technical Report describes the methodology underlying the PISA 2009 survey. It examines additional features related to the implementation of the project at a level of detail that allows researchers to understand and replicate its analyses. The reader will find a wealth of information on the test and sample design, methodologies used to analyse the data, technical features of the project and quality control mechanisms.



Proficiency Scale Construction

PISA reports student performance not just as scores, but also in terms of content, by describing what students who achieve a given level on a PISA scale typically know and can do. This chapter explains how these “described proficiency scales” are developed, and also how the results are reported and how they can be interpreted.


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