The current study addressed some of the methodological shortcomings of previous studies on internet addiction. The main purpose of the study was to determine if two different internet addiction assessments would identify the same individuals as addicted to the internet. A total of 224 undergraduate internet users were surveyed using a stratified…

Risks of life on the street caused by inclement weather, harassment, and assault threaten the unsheltered homeless population. We address some challenges of enumerating the street homeless population by testing a novel capture-recapture (CR) estimation approach that models individuals' intermittent daytime visibility. We tested walking and…

This report presents the results of a working meeting to provide guidance to staff at the National Center for Education Statistics on: (1) establishing guidelines for inclusion of limited-English-proficient (LEP) students in the National Assessment of Educational Progress (NAEP), field tests, research, and development; (2) modifications in the…

Simple methods for detecting attrition (nonresponse) in longitudinal evaluations are reviewed, focusing on regression-based analyses of data from a longitudinal evaluation. The approaches are illustrated with data from the Fort Bragg Evaluation, an evaluation of a major demonstration in children's mental health services. (SLD)

The technical appendixes are part of a study that explores the type, content, duration, and intensity of instructional services provided to limited-English-proficient (LEP) students in the United States; administrative procedures associated with these services (including procedures for identifying students for entry into and exit from these…