A Level Psychology OCR Practice Exam

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In the Baron-Cohen et al. study, how was inter-rater reliability established?

Through peer reviews of findings
By comparing data from multiple studies
By having multiple judges generate and test the words
By using a test-retest method with the same participants

The correct answer is: By having multiple judges generate and test the words

In the Baron-Cohen et al. study, inter-rater reliability was established by having multiple judges independently code or categorize the same set of data, such as the words generated by participants. This approach allows researchers to assess the degree of agreement among the judges; if they consistently code the data in the same way, it indicates a high level of reliability in their assessments. This method ensures that the results are not dependent on a single judge's subjective interpretation, thereby enhancing the credibility and validity of the findings. In contrast, peer reviews, comparison of data from different studies, or a test-retest method involving the same participants serve different purposes in research and do not specifically measure the consistency of judgments made by multiple raters on the same data set.