Many studies have focused on the predictive value of victims' emotions experienced shortly after violence exposure to identify those vulnerable for development of posttraumatic stress disorder (PTSD). However, many victims remain unidentified during the initial recovery phase, yet may still be highly in need of psychological help after substantial…

The Chinese financial aid system intends to increase the affordability of postsecondary education and provide access to college for disadvantaged students. However, the research base for access to aid in China is extremely thin. Using data from a large cross-sectional survey in Beijing, this study found that attending selective institutions with…

Using one cohort of 7235 middle school students in Beijing, China, we examined the evolution of the gender achievement gap in middle school. Our study found a more significant female dominance than in U.S. studies: even though boys gradually caught up during middle school, especially in Math and Science, and the gender achievement gap decreased…

The present study examined the developmental trajectories of youth depression and anxiety symptoms from 6th through 12th grade in a low-income, urban sample (N = 141; mean age = 11.75 years; 88.7% African American). The study also tested the independent contribution of parent mood disorders, anxiety disorders, and substance use disorders assessed…

The focus of this study is to determine the teachers' usage of Information and Communication Technologies (ICT) in vocational and technical schools in Turkey according to their age, level of education, opportunity of access to computers and ways of learning to use computers. Study group of the research was four hundred and sixteen teachers from…

Recent years it has an explosive development of IT technologies. However, the problem of natural integration of modern technologies in teaching and learning mathematics is far from its final solution. In teaching mathematics at universities, these capabilities either are ignored or have extremely limited applications. In our study, we consider…

On the basis of a large-scale survey of high-school youth, the authors compared adolescents reporting exclusively heterosexual, mostly heterosexual, bisexual, and predominately same-sex attraction based on high-risk involvement across a range of risk behaviors. Bisexual and same-sex attracted groups were characterized by heightened high-risk…

Survival analysis is a statistical tool used to describe the duration between events. Many processes in medical research, engineering, and economics can be described using survival analysis techniques. This research involves studying engineering college student graduation using Cox proportional hazards models. Among male students with American…

This study examined the influence of surrogate gender on the accuracy of substituted judgments about the use of life-sustaining treatment in a sample of 249 older adults and their self-selected surrogate decision-makers. Overall, wives were more accurate than husbands at predicting their spouses' treatment wishes. Surrogates' perceptions of their…

The persistence of Black engineering students to graduation from college continues to be of concern as the nation moves into a more globally diverse environment. Institutions have a large role to play to ensure that there is a large pool of diverse and talented students trained to work in a technological environment. While our population has…

This study investigated whether previously reported links between sleep and risk taking among adolescents (E. M. O'Brien & J. A. Mindell, 2005) are associated--concurrently, longitudinally, or both--with sleep or underlying depression. The present study analyzed data from a nationally representative sample of 4,353 adolescents in the United…

Cognitive abnormalities are common in Parkinson's disease, with important social and economic implications. Factors influencing their evolution remain unclear but are crucial to the development of targeted therapeutic strategies. We have investigated the development of cognitive impairment and dementia in Parkinson's disease using a longitudinal…

The influence of homework experiences on students' academic grades was studied with 223 college students. Students' self-efficacy for learning and perceived responsibility beliefs were included as mediating variables in this research. The students' homework influenced their achievement indirectly via these two self-regulatory beliefs as well as…

This study examined the extent to which violent behavior and peer victimization were associated with suicidal ideation, plans, and attempts in a nationally representative sample of 11,113 adolescents who completed the 2005 Youth Risk Behavior Survey. Boys were more likely to be involved in physical fighting and weapon carrying, whereas girls were…

This study tested the hypothesis that self-efficacy in career roles moderates the relation between perception of career barriers and career planning, in a study with Portuguese students, 488 in Grade 9 and 517 in Grade 12. The results supported the hypothesis only among Grade 9 girls, showing that perception of career barriers leads to less career…