PISA 2009 main results (students' performance, their socio-economic background, their approaches to learning, organisation of schooling and trend data from 2000)
PISA 2009 Technical Report describing 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
