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Which promotion exemplifies the use of a fixed-ratio schedule of reinforcement?a café prints "you are a winner" on a random one-twelfth of its coffee lids; patrons receiving such a lid can redeem it for a free beverage.a café offers its customers a punch card. each time a patron purchases a beverage, a hold is punched; when ten holes are punched, the patron receives a free beverage.every now and then, a café announces a two-for-one deal.a café offers each patron an early morning two-for-one free-beverage-with-purchase deal from 5 to 6
a.m. on monday mornings?

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Which promotion exemplifies the use of a fixed-ratio schedule of reinforcement? A café prints "you are a winner" on a random one-twelfth of its coffee lids; patrons receiving such a lid can redeem it for a free beverage. A fixed-ratio schedule of reinforcement, which a response is reinforced when there is a set number of responses. Every set number of people purchasing the coffee have a chance to win a free beverage. 

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