Collection
Ofqual's reliability research
Research to investigate the reliability and validity of results in national tests, public examinations and other qualifications in England.
Reliability is a measure of the consistency of the results of qualifications and assessments. A reliable qualification would mean that a student would receive the same result if they took a different version of the exam, took the test on a different day, or if a different examiner had marked the paper.
See also Ofqual’s ‘Reliability of Assessment Compendium’ that pulls our comprehensive research into one list of documents.
Documents
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The internal reliability of some City and Guilds tests
- Research and analysis
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Estimation of internal reliability: Pritchard and Hayes
- Research and analysis
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Reliability of vocational assessment: level 3 tech qualifications
- Research and analysis
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Estimation of inter-rater reliability
- Research and analysis
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Marker effects and examination reliability
- Research and analysis
Published 9 October 2013
Last updated 9 October 2015 + show all updates
Last updated 9 October 2015 + show all updates
- Added link to the reliability compendium.
- First published.