Angela Duckworth
Lohnt es sich für Wohltätigkeitsorganisationen, ihre Spender zu belästigen?
No Stupid Questions Podcast
Freakonomics Radio, 2022
Is It Worth It for Charities to Harass Their Donors?
No Stupid Questions Podcast
Freakonomics Radio, 2022
Grit
Angela Duckworth Addresses Students at the 2017 Aspen Challenge, Philadelphia
Aspen Institute, 2017