Adam Grant, a University of Pennsylvania psychologist, discovered in a study of call center representatives. Grant obtained permission to talk to people making calls for a university fundraising operation, and divided his participants into three groups. One group, each night before they made calls, read brief stories from previous employees about the personal benefits of working in this job—earning money, developing communication skills, and so on. The second group also read stories before hitting the phones, but theirs were from people who had received scholarships from the funds raised and
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