Prevalence, frequency, and psychosocial predictors of Internet and computer game use were assessed with 803 male and 788 female adolescents across 2 time periods, 21 months apart. At Time 1, participants were in the 9th or 10th grade; at Time 2, they were in the 11th or 12th grade. Most girls (93.7%) and boys (94.7%) reported using the Internet at…

Monitoring the Future (MTF), now in its 35th year, has become one of the nation's most relied-upon sources of information on changes taking place in licit and illicit psychoactive drug use among American adolescents, college students, young adults, and more recently, middle-aged adults. During the last three and a half decades, the study has…

A quasi-experimental study designed to provide evidence of the effectiveness of the "Jamestown Reading Navigator" ("JRN") program for students in grades 9-10 was conducted in the Miami Dade Public School District (MDCSD). "Jamestown Reading Navigator" is a reading intervention program developed by McGraw-Hill…

The purpose of this research was to examine the effects of implementation of argumentation in a physics classroom on students' reasoning. This research is both quantitative and qualitative in nature. Experimental design was used for the study. For the quantitative aspect of the research, students' prior knowledge in the beginning of the…

This article reports on a study of 23 tenth-grade students who created fiction in digital game and written formats. The researchers observed them at work, analysed their stories in both formats, and interviewed selected students to learn what affordances and constraints they demonstrate and/or articulate in such authoring. The students used…

This study examined contextual effects in Norwegian 10th-grade students' reports on cognitive and metacognitive strategies when using the Cross-Curricular Competencies (CCC) instrument. The CCC was first administered as the final task in a long (three-hour) testing session in the Organisation for Economic Co-operation and Development Program for…

Recent theory on social dominance suggests that aggressive individuals should be socially successful if they also display prosocial behavior. The combination of coercive and prosocial strategies of resource control (i.e., bistrategic control) is thought to facilitate hierarchy ascension. Adolescents (N = 929, grades 7-10) were queried about the…

We investigated the role of motivational climates, teacher autonomy support, perceived competence and autonomy on pupils' self-regulated motivation in physical education (PE) classes of Norwegian 10th-graders. Path analyses revealed that a mastery climate and teacher autonomy support both (a) positively influenced intrinsically regulated…

In this study involving self-report questionnaire data from 955 tenth-grade students in three locations within Korea, we address the meanings of alcohol use and delinquency for Korean youth. Findings (a) supported a facilitative role for alcohol, but not delinquency, with respect to perceived peer social competence; (b) indicated negative…

Background: When writing a text, students are required to do several things simultaneously. They have to plan, translate and review, which involve demanding cognitive processes. In order to handle this complexity, writers need to develop a writing strategy. The two most well-defined writing strategies that have been identified, are those of a…

The primary purpose of this study was to investigate the efficacy of formulaic writing such as the five-paragraph theme (FPT) or essay for the purpose of earning high scores on high-stakes writing assessments. This qualitative descriptive study analyzed more than 1000 essays from Delaware Grade 8 and 10 writers, written for a statewide…

The purposes of this study were to explore the effects and the validity of on-line peer assessment in high schools and to analyze effects of various types of peer feedback on students. The participating students, a total of 184 10th graders, developed their individual course projects by involving the on-line peer assessment learning activities in…

Most studies about students' conceptions and conceptual change are based exclusively on the analysis language, which is treated as a tool to make private contents of the mind public to researchers. Following recent studies that focused on (a) language and discursive practice and (b) the pragmatics of communication that draws on talk, gestures, and…

Do students tend to set similar types of goals throughout the school year, or do their goal orientations shift over time? If students become more oriented toward mastery or performance over the course of the year, do they improve in their academic achievement, have a more positive affect toward class, and develop the cognitive propensities that…

Controversies around definitions and perceptions of gangs are heightened by the scarcity of research on crews. In an open-ended interview, 77 Latino 10th graders from a random longitudinal sample provided information about gangs and crews. Although less than 10% reported having been in gangs or crews, 84% reported having personal contact with…