Researchers (Isen & Levin, 1972) Found That Mall Shoppers Who

Researchers (Isen & Levin, 1972) found that mall shoppers who found dimes were more likely to help a stranger pick up papers he had dropped. These results suggest that __________.

A) participants thought the money belonged to the man and wanted to return it
B) finding a dime put people in a good mood and increased their helping
C) finding a dime instead of a quarter disappointed people, and this negative mood increased helping
D) thinking happy thoughts enhances both mood and helping