Final answer:
Using the power of System I, an intervention to improve vaccination policies could include making vaccinations a default option during healthcare visits and using emotive storytelling in public health campaigns to make the decision to vaccinate more intuitive and automatic.
Step-by-step explanation:
The topic I am interested in that could be addressed using the power of System I is enhancing vaccination policies to increase immunization rates amongst hesitant populations. System I, often embedded in social psychology and decision-making theories, refers to the intuitive, automatic, and often subconscious way of thinking. Leveraging this system could involve designing interventions that make getting vaccinated a more automatic behavior for individuals, perhaps by making it a default option during healthcare visits or establishing public health campaigns that resonate on a deeply personal level, using emotive storytelling or leveraging social norms to create a positive attitude towards vaccination. For example, a healthcare center could implement a policy where during every visit, unless a patient opts out, they are presented with the opportunity to update their vaccinations. This utilizes the power of System I because it makes the health behavior of getting vaccinated an easier and more automatic choice. Additionally, health psychologists might design campaigns that highlight the stories of individuals affected by vaccine-preventable diseases, leveraging the emotive power of personal narratives to shift attitudes and spur vaccination behavior without requiring conscious deliberation, which is a key feature of interventions targeting System I thinking.