Industry Eye: Case Study - In Perfect Symphony

But Ferrari still wanted proof that a security seal, or lack thereof, could have such a drastic effect on sales. So he set up an A/B split test, presenting Virtual Sheet Music's website to half of its customers with the security seal and to the other half without. Conducted over the course of one month, the test revealed telling results: Visitors shown the seal generated 31 percent more sales than those who weren't.