By OECD Organisation for Economic Co-operation and Develop
The PISA 2006 Technical Report describes the technique underlying the PISA 2006 survey. It examines extra positive aspects relating to the implementation of the undertaking at a degree of element that permits researchers to appreciate and reflect its analyses. The reader will discover a wealth of data at the attempt and pattern layout, methodologies used to examine the information, technical good points of the undertaking and qc mechanisms.
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Extra info for PISA 2006 Technical Report
In each case, about 4 weeks was scheduled for the submission of feedback. For each bundle, a series of reports was generated summarising the feedback from NPMs. The feedback frequently resulted in further revision of the items. In particular, cultural issues related to the potential 34 PISA 2006 TECHNICAL REPORT – ISBN 978-92-64-04808-9 – © OECD 2009 Test design and test development 2 operation of items in different national contexts were highlighted and sometimes, as a result of this, items had to be discarded.
Timing study A timing study was conducted to gather data on the average time taken to respond to items in the field trial, and the results were used to estimate the number of items that should be included in main study clusters. The timing information from clusters S16, S16A, S17 and S17A was used to estimate average time for embedded Likert-style attitudinal items. 75 minutes. The timing information from clusters S1 and S1M was used to estimate average time for embedded match-the-opinion attitudinal items.
About 25% of submitted units were deemed unsuitable for PISA 2006. The main reasons for assessing units as unsuitable were lack of context, inappropriate context, cultural bias, curriculum dependence, just school science and including content that was deemed to be too advanced. The remaining 75% of submitted units were considered suitable in some form or other for use in PISA 2006. However, only a handful of these units were deemed not to need significant revision by consortium test developers.