The purpose of this study was to determine if attending a single-sex, STEM-focused school was related to science and mathematics achievement among a sample of African American and Latina eighth-grade girls in one school district. A nonequivalent group, post-test only design was utilized in the study to mitigate the effects of selection bias. We…

Boys in the Kingdom of Saudi Arabia consistently and significantly underperform compared to girls across different grades and subjects, forming one of the largest gender gaps in student achievement in the world. Saudi Arabia offers a unique setting in which boys and girls attend separate schools on a universal basis starting from grade 1. This…

This study explored the mathematics course placement process for incoming students in an all-boys Catholic high school. The sequential nature of mathematics significantly impacts students' opportunity to learn; moreover, the mathematics course taken by a student during ninth grade can have far-reaching effects. Previous studies have found that…

The question of whether single-sex or co-ed schooling has any impact on students' attitudes toward science is highly contested and warrants research from all corners of the world. This study adds to our current knowledge by investigating different attitudinal indices of Grade 9 science students (N = 356, M[subscript age] = 14.5 years) in…

This study investigated the effects of working memory capacity (WMC), first language (L1) syllogistic inferencing ability, and second-language (L2) linguistic knowledge on L2 listening comprehension for passages of different lengths. Participants were 193 Korean ninth-grade learners of English. A path analysis was used to examine multivariate…

This study examined the relationship between stress and sleep duration for adolescent females from affluent backgrounds. Participants were 218 students attending two independent single-sex secondary schools. Ordinary Least Squares (OLS) regression models (cross-sectional and longitudinal) were run to examine the association between stress and…