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Sampling rare or elusive species : concepts, designs, and techniques for estimating population parameters / edited by William L. Thompson ; foreword by Kenneth P. Burnham

Introduction / William L Thompson -- PART ONE: OVERVIEW AND BASIC CONCEPTS -- Sampling rare populations / Lyman L. McDonald -- Separating components of detection probability in abundance estimation: ...
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Random Sampling: Key to Reducing Bias and Increasing Accuracy

Random sampling is a random means of gathering data points from all groups. It eliminates bias within your data sets by using ...
JSTOR Daily

Sampling Designs for Estimating Spatial Variance Components

Sampling designs and estimation procedures are considered for the spatial variogram when no information on magnitude or scale of variation of a spatial variable is available. Design-based solutions to ...
JSTOR Daily

On Sampling Designs with Ordered Conditional Inclusion Probabilities

In this paper we consider a family of sampling designs for which increasing first-order inclusion probabilities imply, in a specific sense, increasing conditional inclusion probabilities. It is proved ...
Simon Fraser University

Example 61.1: Stratified Cluster Sample Design

Consider the example in the section "Stratified Sampling". The study population is a junior high school with a total of 4,000 students in grades 7, 8, and 9. Researchers want to know how much these ...