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Casino Gambling |
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| Gamblers at a casino in Atlantic City, New Jersey, try their luck at the slot machines. Because slot machines pay off on a variable-ratio schedule—that is, after an unpredictable number of tries—the gamblers drop in coins at a steady rate. | ||||||
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| Jeff Greenberg/Photo Researchers, Inc. | ||||||
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| Appears in these articles: | ||||||
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| Mathematics; Gambling; Learning | ||||||
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