PISA 2006 Technical Report

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The PISA 2006 Technical Report describes the methodology underlying the PISA 2006 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.


Scaling Outcomes

When main study data were received from each participating country, they were first verified and cleaned using the procedures outlined in Chapter 10. Files containing the achievement data were prepared and national-level Rasch and traditional test analyses were undertaken. The results of these analyses were included in the reports that were returned to each participating country (see Chapter 9).


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