Communicating certainty via verbal probability phrases: comparing health contexts with no context
Abstract Introduction Medical professionals often use verbal phrases to communicate uncertainties and certainties with their patients and the general public. Objectives This study aimed to investigate factors that can influence people’s interpretation of probability phrases of certainty and uncertai...
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| Main Authors: | , , , |
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| Format: | Article |
| Language: | English |
| Published: |
BMC
2025-01-01
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| Series: | BMC Primary Care |
| Subjects: | |
| Online Access: | https://doi.org/10.1186/s12875-024-02687-9 |
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| Summary: | Abstract Introduction Medical professionals often use verbal phrases to communicate uncertainties and certainties with their patients and the general public. Objectives This study aimed to investigate factors that can influence people’s interpretation of probability phrases of certainty and uncertainty communicated by doctors in health and medical settings. Methods An experimental study with a randomized factorial design was conducted to examine both context-related factors and individual difference factors on participants’ interpretation across directions of phrases and frames of the context. Results Context significantly influenced participants’ interpretation of probability phrases regardless of their level of certainty. Participants’ self-reported prior beliefs were the main driver of this context effect. When participants were in a state of uncertainty, their reliance on experts significantly reduced the prior beliefs’ effect. Finally, refuting probability phrases might provide more reassurance than affirming phrases. Conclusion People may perceive the outcomes communicated by doctors differently from what the doctors intend to convey, depending on their prior beliefs, reliance on doctors and the direction of phrases. When communicating uncertainties and certainties with patients and general public, it is important for medical professionals to understand audience’s prior experiences, and to foster medical trust and audience’s reliance on medical professionals to reduce bias in clinical risk communication. |
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| ISSN: | 2731-4553 |