The result cited above could hardly support the conclusion before the author could provide substantial evidence to illustrate that

　　Who conducted the survey

　　The institution who conducted the survey may have vested interest in the result, or it may affect the reliability of the result.

　　The institution should be neutral and have not vested interest in the result.

　　The reliability of the survey is also open to doubt due to the organization who conducted the survey.

　　The organization has vested interest in the final result which was based on the result of the survey and thus might distort the actual answer of the respondents

　　The author should cited a conclusion form a survey conducted by an independent constitution to convince us that the assumption

　　When was the survey conducted?

　　The survey was conducted in a special period, or was conducted a long time ago; the result of the survey could not represent the general situation

　　There were no fundamental change occurred during the period after the survey conducted.

　　The effectiveness of the survey cited as main evidence is open to doubt.

　　The survey was conducted, thus may not reflect the current situation accurately

　　The author should provide evidence that peoples opinion toward has not changed greatly during the past time.

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