Reliability

To understand the meaning of reliability in the context of assessment and the methods used to estimate it.

This training event will be of interest to anyone interested in wanting to gain a better understanding of the concept of assessment reliability, how it is conceptualised, calculated and how it should be interpreted. It is aimed at those responsible for the development and quality control of assessments.

This event provide an overview of the ways in which the reliability of a test is conceived and calculated. It includes an introduction to the relationship between reliability and classical test theory. The reliability of marking and reliability relating to the choice of questions included within an examination will both be covered. It explores the different ways in which reliability can be presented to an external audience and discusses the advantages/disadvantages of each. It also looks at which factors may affect the reliability of a test.

This training event will give you an understanding of the concept of reliability, how it is calculated, how to interpret reliability statistics, factors that will affect reliability, and potential methods of making assessments more reliable.

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