The purpose of the present study was to investigate the moderating effect of perceived social support from friends in the associations between self-isolation practices during the COVID-19 pandemic and adolescents' mental health (i.e., depression, subjective health complaints, self-harm), measured six months later (Time 2). Participants were 1,567…

Phubbing, the ignoring of one's companions to pay attention to one's phone, is ubiquitous. Yet far less is known about its interpersonal transmission. Based on the social learning theory and the theory of normative social behavior, this cross-sectional study tested the associations between perceived parental phubbing and teenagers' phubbing. Two…

Providing adequate proof is one essential mathematical method, but it is a difficult task for many school-age students. While previous studies have revealed the cognitive factors of proving the proof, the function of affective factors and learning engagement has been largely unexplored. This study examined the effects and processes associated with…

Math anxiety's negative effects on performance are well-documented. The interplay of math anxiety and mathematical competence regarding later performance is underexplored. We investigated whether math anxiety's detrimental effects on learning depend on previous mathematical competence. Hypothesizing a moderation effect, we expected that trait math…

The purpose of this study is to examine the attitudes of middle school 7th and 8th grade students towards STEM education in Turkey and Ghana. The research was conducted to a total of 974 grade 7 & 8 middle school students (480 from Turkey-Mugla Province and 494 from Ghana-Accra Province) during the spring semester of 2018-2019 academic year. A…

Adolescence is a period that plays a crucial role in career development. Understanding the psychological structures associated with a career can help to better understand adolescents' career development. The aim of this study was to examine the mediating role of career and talent development self-efficacy in the relationship between adolescents'…

This study explores the association between intellectual risk taking and science achievement of gifted students and difference in grade levels and gender. The participants were 122 sixth, seventh and eighth grade gifted students in Turkey. In data collection, "science achievement test" and "intellectual risk taking scale in learning…

While personal performance-approach goals (PAp goals) have already been successfully bifurcated into normative and appearance PAp goals, the same distinction has not yet been applied to performance-approach goal structures (PAp goal structures). The present study therefore aimed to (a) test the factorial two-level structure of PAp goal structures…

The current investigation used latent profile analysis (LPA) to categorise students according to their strategies for managing mathematics homework. A sample of 918 Chinese students in grades 7-9 rated their use of seven homework management strategies; namely, arranging the environment, managing time, monitoring motivation, managing emotion,…

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 1634 Chinese eighth-grade students' domain- and task-specific self-efficacy and its relationship to their problem-posing performance. In particular, the linear regression model, generalized additive model (GAM), and piecewise regression model (PRM) were used to detail the linear and non-linear relationships between these…

Testing the breadth and depth of vocabulary knowledge is needed to see its effect on the vocabulary size of EFL students. The study aims to know at the relationship between the breadth and depth of vocabulary knowledge and the vocabulary size of EFL students. This research was conducted in the 8th grade of Trimulia Junior High School Jakarta. This…

Background: Health behaviors of adolescents affect their health and well-being into adulthood. This study was conducted to determine the nutrition-exercise behaviors, health literacy level, and related factors in adolescents. Methods: A cross-sectional design was used for this study. Overall, 810 students in grades 6--8 in a Turkish school…

The school is an educational institution that develops students' potential by improving the character of the educational process throughout the learning environment, including the environmentally conscious character. However, student behaviors have not reflected their concern for the environment. One of the Indonesian Ministry of Environment's…

Achievement in a course mostly depends on the students' characteristics and how teachers make their courses effective for their students' learning. Although different characteristics of teachers and students can affect learning outcomes, new approaches like STEM may cause new characteristics which affect students' achievement as STEM attitudes.…