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Unformatted text preview: ssume that what is true of the Cumquat will likewise be true of most other businesses. In an attempt to sell radio advertising time, this ad claims that radio advertising will make businesses more profitable. The evidence cited is a ten percent increase in business that the Cumquat Cafe has experienced in the year during which it advertised on the local radio station. This argument is unconvincing because two questionable assumptions must be made for the stated evidence to support the author’s conclusion. The first assumption is that radio advertising alone has caused the increase in business at the Cumquat Cafe. This assumption is questionable because it overlooks a number of other factors that might have contributed to the Cumquat’s success. For example, the Cumquat might have changed owners or chefs; it might have launched a coupon ad campaign in the local print media; or it might have changed or updated the menu. Yet another possibility is that a local competitor went out of business. These are just a few of the factors that could help explain the Cumquat’s growth. Because the author fails to eliminate these possib...
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- Spring '09