Haptic sensations feel rewarding, so users feel compelled to repeat these actions.What's the optimal length for vibrations? Try 400ms

But what if you sell products on desktop?Instead of using vibrations, try animating products upon selection. Move items into the basketShake from side to sideGrow and shrink

In an online grocery store, customers bought more items when they felt vibrations while adding items to their cart (Hampton & Hildebrand, 2021).

Classical Conditioning. Vibrations often co-occur with social messages. Therefore, vibrations feel good because these sensations have been frequently paired with hits of dopamine (Hampton & Hildebrand, 2021).Perceived Ownership. Vibrations mimic touch, as if you are physically touching an item on your device. And touch is key to ownership (Li, Cowan, Yazdanparast, & Ansell, 2024; Peck, Barger, & Webb, 2013).