4.3 Statistical Evidence The survey methodology might be problematic in two respects. Insufficient sample …is insufficient to gauge …Lacking information about…, it is impossible to draw any reliable conclusion about… Respondent l
根据回复答卷的人分析 Another problem with the argument is that the respondents’ views are not necessarily representative of the views of…in general. For example, because the survey has to do with…, it makes sense that only…would respond to it, thereby distorting the overall picture of..Without knowing how the survey was conducted, it is impossible to assess the validity of the survey. Another problem with the argument is that we are not informed whether the responses were anonymous, or even confidential. If they were not, the respondents might have provided responses that they believed …would approve of, regardless of whether the responses were truthful. l
只有结果的百分比,没有受访人数 Another problem with the argument involves the validity of the survey. The author provides no evidence that the number of respondents is statistically significant or that the respondents were representative of …in general. Lacking information about the randomness and size of the survey’s sample, it is impossible to assess the validity of the results. Information too vague The information provided in this program is too vague to be informative. Lacking information about who conducted this survey, who responded, or when, where and how the survey was conducted, it is impossible to assess the validity of the results. For example, if 200 persons are surveyed but only 2 responded, the conclusion that … would be highly suspect. Until these questions are answered, the results from this survey are worthless as evidence for the conclusion. |