This study used data from 5,382 adolescents from the 1997 United States (US) National Longitudinal Survey of Youth (NLSY97) to investigate developmental pathways of alcohol use, marijuana use, sexual risk behaviors, and delinquency across ages 14 to 20; examine interrelationships among these risk behaviors across adolescence; and evaluate…

Objective: Young people in urban areas are often the focus of pregnancy and sexually transmitted infection (STI) prevention programmes because of their high risk of unwanted pregnancy and contracting an STI. Young people in rural areas are far less studied but also have a high risk of similar outcomes. This study evaluates Giving Our Girls…

Although peer influence is a salient predictor of delinquency, how it operates in the etiology of runaway behavior is not fully understood. Using data from the National Longitudinal Study of Adolescent Health, this study demonstrates the importance of taking peers into account in understanding the etiology of running away. The findings suggest…

Tourette syndrome (TS) is an inheritable, childhood-onset neurologic disorder marked by persistent multiple motor tics and at least one vocal tic. Tics are involuntary, repetitive, stereotypic movements or vocalizations that are usually sudden and rapid and often can be suppressed for short periods. The prevalence of TS is uncertain; the broad…

The underlying proposition for any experimental/therapeutic trial is the uncertainty that the risks of treatment will be outweighed by its benefits. For some therapeutic interventions (e.g., exercise programs, vitamin supplementation), the potential for treatment-emergent adverse events may prima facie be low or negligible, whereas for others…

Objective: The Strengths and Difficulties Questionnaire is a 25-item instrument developed to assess emotional and behavioral problems. The current study attempted to replicate previous European structural analyses and to describe the latent dimensions that underlie responses to the parent-reported version of the Strengths and Difficulties…

This paper jointly examines the importance of parental influences, prices, and tobacco control policies on the smoking behavior of youths. Data are drawn from the Audits & Surveys (A&S) 1996 survey of high school students across the United States from "The Study of Smoking and Tobacco Use Among Young People" to examine the impact…

The IADIS CELDA 2012 Conference intention was to address the main issues concerned with evolving learning processes and supporting pedagogies and applications in the digital age. There had been advances in both cognitive psychology and computing that have affected the educational arena. The convergence of these two disciplines is increasing at a…