The aim of this study is to understand how students' mathematical thinking is activated and nurtured in solving a modeling problem, where the problem situation involves the design of a system. From a STEM integrated perspective, 9th grade students worked on a modeling task aiming to create an identification system based on hand biometrics. The…

Young people of mixed origin are gaining greater recognition in migration and integration studies. Increasing rates of intermarriage are leading to the growth of mixed populations, namely in educational settings. In this paper we discuss the social conditions and school experiences of students of mixed native-immigrant families in Portugal,…

The purpose of this study was to analyse 18 Portuguese high school students' game play performance improvements across three hybrid Sport Education-Step-Game-Approach volleyball seasons. Students' play performance at the entry and exit points of each season was evaluated using the Game Performance Assessment Instrument during 2vs2 games. A series…

While past research has shown the Student Engagement Instrument (SEI) to be an adequate measure of school engagement, this self-report questionnaire currently exists as a number of different versions, each comprising various subsets of the original 35 items. The first objective of this study was to use confirmatory factor analysis to assess the…

The importance of attitudes and other variables of the affective domain in education is acknowledged for a long time. In this study, we used an attitude questionnaire to survey 498 Portuguese 9th-grade students to determine the predictive ability of the attitudes towards the discipline of Physics-chemistry on school achievement. Possible gender…

Mobilizing scientific knowledge for understanding the natural world and for critically appraise socio-scientific situations and make decisions are key competencies for today's' society. Therefore, it is essential to understand how students at the end of compulsory schooling use scientific knowledge for understanding the surrounding world. The…

Background: One of the essential elements within Sport Education is the inclusion of student roles and responsibilities. While previous research has examined students' performance in officiating tasks, the examination of student-coaches' pedagogical content knowledge (PCK) within peer-assisted tasks of Sport Education has been scarce. Indeed, the…

This article discusses the heterogeneity in children's appropriation and use of the internet that make up contemporary digital divides. Based on a survey of Portuguese children in mandatory education (8- to 17-year-olds), it relies on multivariate statistical procedures to build a topological mapping of internet use patterns. Variations in digital…

Introduction: In this quantitative, cross-sectional study we analyse the relationship between family socioeconomic status (SES) and students' adaptation to school life, as expressed through several indicators of achievement, integration (adaptation to transitions, behaviour problems, risk behaviours, interpersonal difficulties, participation in…

Investigates the effect of gender, age, and school grade on several career-exploration dimensions measured by the Career Exploration Survey. Results indicate that sex and grade-level were the most significant characteristics related to the adolescents' career-exploration behaviors, reactions, and beliefs. Discusses career-exploration…