estimation of the welfareindices, two resampling techniques, viz. jackknife and bootstrap, are discussed.They are used for the … estimation of bias and standard error under simple randomsampling and complex sampling. Three con dence intervals are discussed …, viz. standard(asymptotic), percentile and bootstrap-t. An overview of welfare indices andtheir estimation is given. The …

patient counseling. Portion size estimation aids usually increase accuracy of consumers' reports of the amount of food they … easily estimated by previously available portion size estimation aids. In focus groups, respondents indicate they need a … portion size estimation aid that is easier to use than a ruler for portion estimation of wedge-shaped foods. An adjustable …