bases a conclusion on a sample that may be unrepresentative of the population about which the conclusion is drawn draws a universal conclusion on the basis of a very small number of individual cases concludes that one kind of event causes another kind of event without ruling out the possibility that both kinds of events are the result of a third kind of event concludes that an effect has only one cause in the face of evidence that the effect has multiple causes
Some have argued that body size influences mating decisions throughout all societies. Their argument rests largely on self-reports of university-age students and on analyses of personal advertisements in newspapers for dating partners.
The reasoning in the argument described above is most vulnerable to criticism on the grounds that the argument