Interrater Reliability

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Reliability is if a particular way of measuring or collecting data will repeatedly yield the same results. Some of the ways in which researchers go to ensure that the information that they collected is reliable is using measures such as the test-retest method and interrater reliability. The test-retest method is making the same measurement more than once and expecting the same results of both or all of the times measured. If the researcher finds out that the answers vary, the measurement technique is most likely unreliable. An example of this would be measuring the weight of a book. The weight of the book should be the same after each measure. After weighing it twice, the weight is the same. We can assume that this way of measuring is reliable.

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