4/15/2023 0 Comments Concept of reliability in research![]() ![]() ![]() But there is great variation in the outcome of the test. The teacher conducts the two tests but at different times on the same group of students. You can utilize it for measuring the stability in outcomes in the case when you perform a similar test on the same sample but at different times.įor example, while preparing a questionnaire for measuring the IQ level of students. This is best used with something that can be expected to stay constant, such as intelligence or personality traits. ![]() The test-retest reliability allows for the consistency of results when you repeat a test on your sample at different points in time. There are four main types of reliability that can be estimated by comparing different sets of results produced by the same method. ![]()
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