PISA 2003 Technical Report
The PISA 2003 Technical Report describes the complex methodology underlying PISA 2003, along with additional features related to the implementation of the project at a level of detail that allows researchers to understand and replicate its analyses. It presents information on the test and sample design, methodologies used to analyse the data, technical features of the project and quality control mechanisms.
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Proficiency Scale Construction
The PISA test design makes it possible to use techniques of modern item response modelling (sometimes referred to as item response theory, or IRT) to simultaneously estimate the ability of all students taking the PISA assessment, and the difficulty of all PISA items, locating these estimates of student ability and item difficulty on a single continuum.
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