Question

Cioffi and garner observed that only about 5 percent of students responded to a campus blood drive after receiving an e-mail announcement a week ahead. when they asked a group to reply with a "no" if they did not anticipate donating, ______ percent of these students showed up to offer their blood.

Answer 1

The answer is 12%
By implementing the new system, Cioffi and Garner put more pressure to the student's moral perception.
Pressing 'no' to do a good cause will make them feel negatively toward themselves because they're unwilling to give their help to the people in need.