Thirdly, the argument has also committed the fallacy of false analogy. The argument rests on the assumption that A is analogous to B in all aspects, and the author assumes without justification that all things are equal, and that the background conditions have remained the same at different times or at different locations. No evidence is provided to support this assumption. However, there are all kinds of important differences between +++ and +++, making the analogy less than valid. For example, A++++, however, B++++. Thus lacking this assumption, the conclusion is entirely unfounded.
Fourthly, the evidence that the author provides is insufficient to support the conclusion drawn from it. One example is rarely sufficient to establish a general conclusion. Unless the arguer can show that A1 is representative of all A, the conclusion that ++++ is completely unwarranted. In fact, in face of such limited evidence, it is fallacious to draw any conclusion at all.
Last but not least, the validity of the survey on which the argument relies is dubious in itself. The survey cited by the author is too vague to be informative. The claim doesnt indicate who conducted the survey and when and how the survey is conducted, neither does it mention the sample size, or how the samples are selected. Until these questions are answered, the results of this survey are worthless as evidence to support that+++++
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