4、ed.Twenty-seven students were told which pens were electrified;another twenty-seven were told only that some were electrified 7 left alone in the room, the students who did not know which ones would shock them clicked more pens and incurred more shocks than the s
5、tudents who knew what would 8 .Subsequent experiments reproduced this effect with other stimuli, 9 the sound of fingernails on a chalkboard and photographs of disgusting insects.The drive to 10 is deeply rooted in humans,much the same as the basic drives for 11 o
6、r shelter,says Christopher Hsee of the University of Chicago. Curiosity is often considered a good instinct-it can 12 new scientific advances, for instance-but sometimes such 13 can backfire.The insight that curiosity can drive you to do 14 things is a profound o
7、ne.Unhealthy curiosity is possible to 15 ,however. In a final experiment,participants who were encouraged to 16 how they would feel after viewing an unpleasant picture were less likely to 17 to see such an image.These results suggest that imagining the 18 of foll
8、owing through on one's curiosity ahead of time can help determine 19 it is worth the endeavor. Thinking about long-term 20 is key to reducing the possible nega
