A Level Psychology OCR Practice Exam

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Prepare effectively for the A Level Psychology OCR Exam with our comprehensive quiz featuring interactive questions, formative feedback, and more. Boost your confidence and knowledge in key psychological concepts and theories to excel on test day.

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What is a key strength related to the reliability of Chaney et al (2004)?

Easy to replicate the study
Unique design not used before
Variation in the sample population
Long duration of the study

The correct answer is: Easy to replicate the study

The reliability of Chaney et al. (2004) is significantly supported by the ease of replicating the study. This is because the methodology employed, including the use of a standardized questionnaire and a mobile device to administer treatments, allows for other researchers to repeat the experiment under similar conditions. Replicability enhances the credibility of findings, as consistent results across different studies bolster the reliability of the original conclusions regarding the effectiveness of the Funhaler compared to standard inhalers. In contrast, the unique design of the study, while interesting, does not inherently contribute to reliability, as it may reflect a one-time innovative approach that might not apply elsewhere. Variation in the sample population could introduce more variability in results, potentially complicating the establishment of reliability. A long duration of the study, while it may provide comprehensive data, does not directly influence the reliability in the same way that straightforward replicability does.