Stratified sampling is often used in opinion polls to reduce standard errors, and it is known as variance reduction technique in sampling theory. The most common approach of resampling method is based on bootstrapping the dataset with replacement. A main purpose of this work is to investigate extensions of the resampling methods in classification problems, specifically we use decision trees, fr...

traditional survey methods may cause refusals to respond or untruthful replies when encounter the sensitive questions. the randomized response technique (rrt) is designed to decrease social desirability bias and obtain reliable estimates. this study aimed to apply these new methods on the sensitive questions survey.simmons model was applied in the survey of issues relevant to commercial sex amo...

Abstract This article explains how social norms can help to distinguish and understand a range of different kinds inequality hierarchy. My aim is show the literature on provide crucial resources relational egalitarianism, which has made equality into central topic contemporary normative political theorizing. The hope that more discriminating detailed picture will egalitarians move beyond discus...