The Lancet has published the methodology and findings of a 2006 survey by Gilbert Burnham and colleagues of mortality after the 2003 invasion of Iraq. The authors report that 40 households were interviewed a day in this survey, and illustrate the ease of this completion rate by comparison to...

Cluster sampling has recently been used to estimate the mortality in various conflicts around the world. The Burnham et al. (2006) study on Iraq employs a new variant of this cluster sampling methodology. The stated methodology of Burnham et al. (2006) is to (1) select a random main street, (2)...