Did you donate? Talking about donations predicts compliance with solicitations for donations. Joris M. Schroder, Eva-Maria Merz, Bianca Suanet & Pamala Wiepking.
Providing Extra Information Increases Blood Donor Return After Deferral While Offering an Alternative Good Deed Does Not: Results From a Field Randomized Controlled Trial. Marloes L. C. Spekman, Theo G. van Tilburg & Eva-Maria Merz.
Do deferred donors continue their donations? A large-scale register study on whole blood donor return in the Netherlands. Marloes L. C. Spekman, Theo G. van Tilburg & Eva-Maria Merz.