This article reviews the preliminary results of a five-year Technology Innovation Challenge Grant initiative in North Dakota. A stratified sample of 72 schools was selected from the 423 schools participating. Data on the competencies of the leadership within each school (both administrators and mentors) was compared to technology integration success factors of the teachers associated with the l...

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...