The purpose of this quantitative study was to investigate the relationship between mathematics teachers' self-efficacy and the use of technology and the Internet in secondary education classrooms. The focus was on the Internet as a tool to promote mathematics communication and literacy in the online environment. A total of 100 mathematics teachers…

This study tested moderators of the theory of planned behavior (TPB) based on geographical region, gender, race, and income among adolescents in an exercise context using multigroup path analyses. Participants were eighth- and ninth-grade students from Louisiana (LA; N = 448, M[subscript age] = 14.37 years) and Pennsylvania (PA; N = 681,…

We tested 2 hypotheses derived from Moffitt's (1993) taxonomic theory of antisocial behavior, both of which are central to her explanation for the rise in delinquency during adolescence. We tested whether persistently delinquent individuals become more accepted by their peers during adolescence and whether individuals who abstain from delinquent…

Prospective longitudinal data from over 14,000 youth residing in 28 communities in the rural United States were analyzed to examine the emergence of mixed-sex friendship groups in early adolescence. Youth were surveyed on 5 occasions between fall of 6th grade and spring of 9th grade. At each assessment, youth reported the names of up to 7…

This report provides a first look at selected findings from the first follow-up of the High School Longitudinal Study of 2009 (HSLS:09). HSLS:09 focuses on understanding students' trajectories from the beginning of high school into higher education and the workforce. The core research questions for the study explore secondary to postsecondary…

Although the number of women majoring in engineering and engineering technology has increased in the last few decades, percentages lag behind those in other STEM disciplines. Young women often have misperceptions about the nature of engineering, and that leads to lack of interest. Engineering is often seen as men's work. They do not understand how…

In 2004, the Center for Rural Pennsylvania contracted with Pennsylvania State University to begin a longitudinal study of rural Pennsylvania school students to understand their educational and career aspirations and the factors influencing their aspirations, whether their plans change as they age and if they attain their goals. In its entirety,…