Blood Donation
topic on 1 show · 1 statements across 1 episodes
1 statements about Blood Donation, every show
Cialdini: Retreating to smaller request raised blood donation compliance to 55%
“We go from 33% of people who agree to give the next day, right, if that's the only thing we ask them, to 55%. If we retreat to that, We make a concession. Oh, so you can't do the two-year thing that we would most like, but would you do this one thing? So now w…”