The aim of this study was to examine in visual and auditory reaction time of adolescents with respect to their academic achievement level. Five hundred adolescent children from the Turkey, (age=15.24±0.78 years; height=168.80±4.89 cm; weight=65.24±4.30 kg) for two hundred fifty male and (age=15.28±0.74; height=160.40±5.77 cm; weight=55.32±4.13 kg)…

Work and negotiation experiences were examined among early adolescents (12-15 years) through a survey (N = 157) and follow-up interview (N = 89) conducted in two Canadian cities. Key findings, based on a mixed-method research approach, were (a) gifts were the primary income source; (b) females completed more chores than males, and younger…

The purpose of this research was to investigate pupil background characteristics and academic performance in senior secondary schools in Kitwe district with a view of recommending on how to improve pupils' performance. The study was conducted in Kitwe district because in the past years pupils' performance in senior secondary schools has been…

While recent evidence has indicated that experienced racial discrimination is associated with increased depressive symptoms for African American adolescents, most studies rely on cross-sectional and short-term longitudinal research designs. As a result, the direction and persistence of this association across time remains unclear. This article…

Although anxiety is a significant emotional element of formal school science, little is known about how anxiety is originated and managed in the context of science fairs. The purpose of the present study was to investigate how a group of students in Grades 7 to 12 discursively (re)produce anxiety and its management from the perspective of their…

This study analysed the effect of high schools' gender organization on Korean tenth-grade students' science achievements, and their attitudes towards science. The high schools involved included an all-male institution, an all-female institution, and a co-educational institution. Three schools, three principals, three science teachers, and 302…

Relational theories of gender conceptualize masculinity and femininity as mutually constitutive. Using a relational approach, I analyzed ethnographic and interview data from male and female black adolescents in Grades 8 through 10 enrolled in ''Diversify,'' an urban-to-suburban racial integration program ("n" = 38).…

We evaluated maternal gatekeeping attitudes as a mediator of the relation between marital problems and father-child relationships in 3 waves when children were in Grades 7-10. We assessed each parent's contribution to the marital problems experienced by the couple. Findings from mediational and cross-lagged structural equation models revealed that…

With China's rapidly developing economy and increasing urbanization, many adults from rural areas migrate to urban areas for better paid jobs. A side effect of this migration is that parents frequently leave their children behind (left-behind children). This research investigated left-behind children's and non-left-behind children's psychological,…

Background: We investigated the role of psychosocial and proximal contextual factors on nicotine dependence in adolescence. Methods: Data on a multiethnic cohort of 6th to 10th graders from the Chicago public schools were obtained from four household interviews conducted with adolescents over two years and one interview with mothers. Structural…

This mixed-methods study investigated relationships among gender, academic motivation and achievement in a mid-sized Wisconsin high school. A questionnaire was developed that focused on perceived ability, achievement motives and achievement goals. Interviews with teachers focused on relationships among academic motivation and gender achievement.…

This study was conducted to explore the effectiveness of conceptual change oriented instruction over traditional instruction on students' understanding of acids and bases concept. Besides, effects of gender difference and science process skills on students' understanding of acids and bases were also investigated. Analysis of the results showed…

The purpose of this study was to examine the relation between the attitudes and components of attitude of the students towards algebra with their algebra achievements. The population for this study consists of all government tenth grade students and their mathematics teachers in Addis Ababa city administration. Sixteen tenth grade sections were…

There is a dearth of published research on the role of intergroup contact on urban US ethnic minority children's and adolescents' evaluations of racial exclusion. The current investigation examined these issues in a sample of low-income minority 4th, 7th, and 10th grade (N = 129, 60% female) African American and Latino/a students attending…

The study compares faculty and school demographics in selected high school science classrooms to expand the research on women with careers in science. The classrooms are either situated in "high need Local Education Agencies" or the classrooms are situated in "low-performing schools," as categorized by the Florida Department of…