Researchers Dropped 100 Unsealed Envelopes Containing Money Around the Campus

Multiple Choice

Researchers dropped 100 unsealed envelopes containing money around the campus of a Swedish university. Half the letters were addressed to a person with a common Swedish surname (A. Andersson) , whereas the other half of the letters were addressed to a person with a common Muslim surname (A. Abdullah) . The researchers found that ____.

A) more than half of the envelopes with a Swedish surname were returned while slightly over one-third of those with a Muslim surname were
B) nearly all of the envelopes were returned, regardless of the surname
C) almost none of the envelopes were returned, regardless of the surname
D) nearly all of the envelopes with a Swedish surname were returned, while slightly over half of those with a Muslim surname were