Excellence gaps are differences in advanced education outcomes among student groups. This study replicates and extends an earlier study on the prevalence and magnitude of excellence gaps based on student sex and immigrant status using Grade 8 TIMSS data. Data were included for the 12 countries that have participated in each TIMSS administration…

As Information and Communication Technology (ICT) literacy education has recently shifted to fostering computing thinking ability as well as ICT use, many countries are conducting research on national curriculum and evaluation. In this study, we measured Korean students' ICT literacy levels by using the national measurement tool that assesses…

The goal of this study was to examine the unique associations of aggression with peer status in a non-Western context. The moderating effects of peer community and teacher closeness at the classroom level and gender and grade at the individual level were considered. Participants were 1954 third to sixth grade students (M[subscript age] = 9.60…

Principals (policy makers) have debated the progress in U.S. student performance for a half century or more. Informing these conversations, survey agents have administered seven million psychometrically linked tests in math and reading in 160 waves to national probability samples of selected cohorts born between 1954 and 2007. This study is the…

The current study investigated the benefits of adolescents' participation in physical activity (PA), including physical education (PE) and leisure-time sports activity (LTSA), on their subjective wellbeing (SWB), namely social connectedness, depression, and aggression. Specifically, the study explored the mediating role of social connectedness in…

The aim of this study was to verify the moderating effect of the relationship between exposure to violent online media and cyber offending in adolescents. The study utilized information from the 2019 cyber violence survey; data from 3,202 adolescents (mean age = 16.56, SD = 1.71; boys = 1,800, girls = 1,402) were used for the final analysis. The…

The pressing issue of climate change demands an informed future generation, yet how aware are students? This study dives into the varying levels of climate change awareness among 1,079 Korean and 2,507 Indonesian primary school students using a sophisticated survey tool developed by Lee et al. (2021). Surprisingly, while both groups exhibited high…

In this study, the influence of socio-cultural factors on attitudes toward artificial intelligence (AI) was investigated. In total, 1,677 Korean middle school students were selected to participate, and a test tool was used to measure the attitude toward AI. As a result, according to socio-cultural factors, middle school students' attitudes toward…

The current study compared American, Korean, and Indonesian middle and high school students' CS attitudes. Concurrently, this study also examined whether the items in the CS attitudes scale exhibit country and gender measurement biases. We gathered data on CS attitudes from middle and high school students in the US, Korea, and Indonesia. The…

The purpose of this study is to examine how proportional reasoning is introduced and developed in two widely used U.S. and Korean mathematics textbooks for grades 6-7. Seven research-based frameworks that identify student learning opportunities for understanding of proportional reasoning were used to analyze the textbooks. The results showed that…

Although gender ideologies influence many outcomes, research shows they often fluctuate across the life course. Family structure transitions are one mechanism through which gender ideologies change. Divorced and single adults report more egalitarian ideologies than stably married adults. Little research has examined whether children in these…

The main purpose of this study is to broaden our understanding of the predictors of self-control. We test how two types of strain variables (bullying victimization and grade dissatisfaction) influence the level of self-control during adolescence using three-wave panel data collected from Korean adolescents ranging in age from 14 to 16. We…

This study examines the influence of peers who receive private tutoring on an individual student's engagement in private tutoring. Using data from the Gyeonggi Education Panel Study of 7th and 10th graders in Korea, we leverage quasi-experimental variation generated from the random allocation of students to classes in schools. To address the…

Objective: The objective of this study was to investigate the impact of experiencing diverse, multi-dimensional health promotion programmes in school on students' self-reported health status. Design: Cross-sectional design. Methods: We surveyed 2,568 students from 15 middle schools and 15 high schools in Korea between August 2014 and January 2015.…

This study investigates how sensitively the current grit measure (Grit-S) is able to reflect the differences between individuals (i.e. item discrimination) and change within individuals (i.e. sensitivity to change of items) using longitudinal data. Data from the Korean Children and Youth Panel Study 2018 of elementary (fourth grade) and middle…