Speaking loudly can significantly boost sales, especially when tailored to the customer type. For new customers, using a loud and energetic tone can increase sales by as much as 8%. This approach grabs attention and conveys confidence, making potential buyers more likely to engage and purchase. Returning customers respond better to a loud yet calm tone, which can enhance sales by around 5%. This method fosters a sense of familiarity and trust, reinforcing the relationship with existing customers. Tailoring the volume and energy of your speech according to the customer’s familiarity can lead to tangible sales increases. Access to more detailed insights and strategies is available through a subscription to the Science Says platform. Members can explore a wealth of resources, including case studies and marketing playbooks designed to tackle specific challenges using scientific research.