Definition : Reliability is the term used in testing to indicate whether the scores on a test give an accurate result - ie competent users of the language do well whilst those with less competence do less well.
Examples
There are two types of reliability :
1) Test-retest reliability (if the learner took the test twice would s/he get the same result?)
2) Mark-remark reliability (if the test was marked by two different people, would the result be the same?)
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