Interviewer Costs Associated with the Use of Random Digit Dialing in Large Area Samples
研究比较了在大区域居民调查中使用随机数字拨号与基于电话簿的抽样方法所导致的额外访员成本，并给出了一个估算公式。
This study focuses upon the amount of extra interviewer expense incurred by using a Random Digit Dialing as opposed to a directory-based sample selection method in large area residential surveys. A formula is developed for estimating this extra cost given the expected parameters of a future survey.