Question 1 Report
At a call centre, a researcher measures workers’ recall of customer details on Monday and repeats the same test on Friday. The researcher wants to know whether the measure produces consistent data.
(a) Name the type of reliability being checked. [1]
(b) Outline two features of the results that would suggest good reliability. [3]
(a) Test-retest reliability [1] (b) Any three from: the same workers receive similar scores on both occasions [1]; there is a strong positive correlation between Monday and Friday scores [1]; the rank order of workers is broadly similar [1]; differences between the two sets of scores are small [1]
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