Buttonholing students in hallways achieved a 90 percent survey completion rate

Evidence

To improve this return rate, and to round out his sample of Moscow State undergraduates, Andre set up a table in the halls of other classroom buildings, where about 90% of the passing students he randomly buttonholed completed the questionnaire then and there. — Bob Altemeyer, The Authoritarian Specter, 1616

Categorization

• CANDY: The 90% doorstep-completion figure is a pleasantly surprising data-collection anecdote.