Free samples increase sales, loyalty in long run, BYU study finds

PROVO — If you've ever stood in line for free samples at a grocery store, chances are you also bought the product you sampled. But does sampling actually increase sales and encourage customer loyalty?
Recent research from BYU says yes.
Grabbing free samples at a grocery store is a tradition shoppers expect at major warehouse retailers like Costco or Sam's Club.
These stores are renowned for providing copious free food samples to their shoppers, letting customers see, smell, touch and taste