Knowing what your customers want, when they want it, and how they’d like it served up to them is not just at the heart of game changing television shows. It’s also the core of developing winning test hypotheses. It’s the why behind the quantitative data – Behind the ‘what’ of quantitative data there is a ‘why’ that informs your copy and gives your visitors an easily navigable path to becoming a customer.
https://conversionxl.com/blog/voice-of-customer/