According the Cioffi and Garner study,more students showed up to give blood when they
A)were sent a letter asking that they reply with a "no" if they did not anticipate donating.
B)were sent a letter asking that they reply with a "yes" if they anticipated donating.
C)received an email announcement a week ahead.
D)received an email announcement one day ahead.

Question

Quizplus · Accepted Answer

The Cioffi and Garner study found that more students showed up to give blood when they were sent a letter asking them to reply with a "no" if they did not anticipate donating. This approach likely created a psychological commitment, making it harder for individuals to opt out once they had implicitly committed by not responding "no."

According the Cioffi and Garner Study,more Students Showed Up to Give