A comparison of periodic survey designs employing multi-stage sampling.
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| Title: | A comparison of periodic survey designs employing multi-stage sampling. |
|---|---|
| Authors: | Lesser, Virginia1, Kalsbeek, William2 |
| Source: | Environmental & Ecological Statistics. Jun1997, Vol. 4 Issue 2, p117-130. 14p. |
| Subject Terms: | *Cost accounting, *Surveys, *Environmental engineering, *Environmental monitoring, *Ecosystem health, *Pollution measurement |
| Abstract: | Sampling designs considered for a national scale environmental monitoring programme are compared. Specifically, design strategies designed to monitor one aspect of this environmental programme, agro-ecosystem health, are assessed. Two types of panel survey designs are evaluated within the framework of two-stage sampling. Comparisons of these designs are discussed with regard to precision, cost, and other issues that need to be considered in planning long-term surveys. To compare precision, the underlying variance of a simple estimator of mean difference is derived for each of the two designs. A variance and cost model accounting for the different rotational sampling schemes across designs are developed. Optimum stage allocation for each design are assessed with the variance-cost models. The best choice of design varied with the conditions underlying the variance model and the degree of other sources of survey error expected in the programme. [ABSTRACT FROM AUTHOR] |
| Database: | Energy & Power Source |
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