Ofqual publishes Reliability Reports

5 February 2010

Ofqual has today (Friday, February 5), published three reports as part of its programme of research into the reliability of results.

The reports are technical in nature and focus on the theoretical understanding of reliability in examinations, assessments and qualifications.

In summary, the reports are:

Parallel Universes and Parallel Measures: This research explains the measurement process and describes the different forms of reliability and the commonly used reliability indices. The report is by the National Foundation for Education Research (NFER).

Conceptualising and Interpreting Reliability: This report looks at different approaches to conceptualising truth and unexplained variation in reliability theory, and the different approaches taken to estimating reliability. It also considers how best to evaluate reliability, taking into account a range of complications associated with the task. The report is by Assessment Europe.

Estimating the Reliability of Composite Scores: This report looks at different approaches to measuring the reliability of results in qualifications which combine results from several components.

The reports can be found on the www.ofqual.gov.uk website.

The findings of the reports will be considered alongside other research carried out as part of the Reliability Programme and will inform Ofqual's future work in this important area.

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