Make shopping feel like play.
Gamification applies game mechanics to non-game contexts. Progress bars, rewards, challenges - these elements tap into our psychological need for achievement and completion.
Show completion status. People hate leaving things unfinished.
Offer something for participation - discounts, results, badges.
"What will my result be?" drives completion.
Quizzes are inherently gamified. Progress bars, anticipation of results, personalized outcomes - all drive 70-90% completion rates vs 3% for forms.