The interview: "Weakest link in the survey chain"
The survey organisations have tried to make the interviewer as neutral as possible. In order to eliminate the impact of any one interviewer, his conduct is subject to a number of strict rules. So long as the influence of the interviewer cannot be entirely eliminated, it is important to control it so that the conditions under which the survey was made can be taken into account as a measurable factor in the evaluation of the material.
- This could also be of interest