'Prevent Loss' Message Better Than 'Provide Benefits' In Blood Donation Campaigns
Medical News Today,
Subtle changes in messaging can have a profound impact on the effectiveness of charitable messages such as calls for blood…
Subtle changes in messaging can have a profound impact on the effectiveness of charitable messages such as calls for blood…
Vielerorts sind Blutspenden knapp - und die Werbung dafür umso wichtiger. US-Mediziner haben untersucht, wie die Spendenaufrufe…