The most effective and precise surveying technique for

Hello Rogyush,

Let me try helping you with this one.

I am guessing that the statements you got stuck with are 1 and 2. If I am wrong, please let me know I will help you further with the other statements.

Let us first analyze the premise and the conclusion. The argument comes to the conclusion that the most effective and precise surveying technique for determining the extent of income evasion in the United States is anonymous workplace survey. This conclusion is reached on the believes that this type of survey reaches the exact target group i.e. the workforce and that since people's identities are kept confidential, they will be more sincere with the survey.
We need to provide a point that provides criticism for this conclusion or argument.
Let us pre-analyze the argument. A great criticism for the argument would attack the two main premises for the argument i.e. the survey reaches the precise group of people- the workforce and people will not lie as they are sure that the data collected in the survey will remain anonymous.

Now, statement 2) tells us that some people might still lie for fear of being caught. However, notice the doubt in this case. The "some" might be .01% of workforce to 40 or more percentage of workforce. Hence, this does not give us concrete evidence or counterpoint against the argument.

However, the first option clearly states that a significant number of income tax evaders have no legal source of income or place of an employment. This implies that these people are not being covered in the survey at all and thus, the survey might be missing a major proportion of tax evaders in the calculation. This conclusively proves that the survey is not as effective as the argument would like us to believe.

Hope this helps! Let me know in case of any further queries/doubts.