What Americans think about crowdfunding campaigns, according to a new AP-NORC poll

NEW YORK (AP) — Quintin Sharpe considers it a duty to support those without means. Whether collecting food pantry goods through local service groups or helping out his parents’ nonprofit music school, he regularly gives back to his small-town waterside community in southeast Wisconsin.

But the 27-year-old wealth manager encountered a situation last year that prompted another form of charity. A former classmate’s father got “blindsided” in a motor vehicle accident, he said, and crowdfunding...