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 Date: 2006-02-22 21:38:59Marketing Loyalty program Microeconomics Pricing Postage stamps and postal history of the United States S&H Green Stamps Statistical hypothesis testing Survival analysis Motivation Business Statistics Cinderella stamps |
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RAN KIVETZ, OLEG URMINSKY, and YUHUANG ZHENG* The goal-gradient hypothesis denotes the classic finding from behaviorism that animals expend more effort as they approach a reward. Building on this hypothesis, the authors