Walgien, Sven (2024) Are Judgments of Experts Superior to Those of Non-Experts? Master thesis, Psychology.
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Abstract
This study examined the judgment accuracy of HR experts and non-experts in predicting job performance under two decision-making approaches: holistic and clinical synthesis. The study aimed to determine whether expertise enhances judgment accuracy in these conditions. Archival data from an airline hiring process was used to create a realistic environment for the evaluations. HR experts and non-experts were randomly assigned to one of the two conditions in which they evaluated the suitability of 30 job applicants based on their scores on a cognitive ability test, a conscientiousness questionnaire and an unstructured interview. Participants in the holistic condition made judgments based on their intuition. Participants in the clinical synthesis condition had the option to follow a self-designed mechanical rule to guide their decisions. Independent t-tests were used to test the difference in judgment accuracy between HR experts and non-experts in both conditions. The analyses revealed no significant difference in judgment accuracy between experts and non-experts in either condition. While experts demonstrated slightly better accuracy in both conditions, this difference was not statistically meaningful. These results suggest that expertise does not necessarily improve judgment accuracy. The study highlights the need for further investigation of how expertise influences decision-making. Additionally, it highlights the importance of future research with larger sample sizes to enhance the robustness of the findings.
| Item Type: | Thesis (Master) |
|---|---|
| Supervisor name: | Meijer, R.R. |
| Degree programme: | Psychology |
| Differentiation route: | Talent Development and Creativity (TDC) [Master Psychology] |
| Date Deposited: | 17 Dec 2024 13:30 |
| Last Modified: | 17 Dec 2024 13:30 |
| URI: | http://gmwpublic.studenttheses.ub.rug.nl/id/eprint/4468 |
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