This study examines the convergent validity of the Physical Activity Questionnaire for Children (PAQ-C) for assessing moderate-to-vigorous and total physical activity (PA) in school children. 430 participants (51.6% girls) aged 9-12 years provided valid accelerometer data (wGT3X-BT) and completed the PAQ-C. Convergent validity was assessed using…

Predicting the actual performance of strategy use with self-report questionnaires is difficult, especially among elementary school children. Nevertheless, due to the simplicity of self-report questionnaires, it is desirable to identify one that can predict children's performance of actual strategy use. This study investigated whether a self-report…

This study provides a thorough psychometric evaluation of construct and criterion validity and measurement invariance of the promising Florence Bullying-Victimization Scales (FBVS). A special focus was devoted to the concurrent criterion validity of the victimization scale with regard to well-being and social self-efficacy. Exploratory and…

This study deals with the research into the relationship between gender, motivation and achievement in learning English as a foreign language. A good command of English is of paramount importance for an individual to be successful in numerous aspects of life such as professional, personal and educational. The aim of this research was to determine…

The current study investigated the development of global and domain (academic, physical, same-sex peer relationship, opposite-sex peer relationship) self-esteem from age 10 to 16 in a sample of Mexican-origin adolescents. Participants' (N = 674) responses on the Self-Description Questionnaire (SDQ; Marsh, 2005) II-S showed moderate rank-order…

Values are conceptualized as the standards individuals use to determine the status of events and actions and are considered to influence individuals' behaviours, reasoning, and perceptions. Based on a synthesis of six school-based student values enhancement programs, this paper reports on the development of the Children's Values Questionnaire…

The aim of our cross-sectional investigation was to explore prosocial behavior at the ages of 9, 11, and 13, and to reveal associations between this social behavior and some background variables such as age, gender, and parents' educational attainment. The participants were 185 Hungarian students and their teachers. Two Likert-type questionnaires…

Objective: Increased action is needed to combat the growing epidemic of pediatric obesity. It is imperative that researchers investigate psychological and demographic variables that may be associated with pediatric obesity in order to formulate and implement more appropriate and effective interventions. The present study examined the univariate…

In the study, based on a representative sample of 26,670 Italian fifth-grade students, the authors examine the academic motivational profiles of immigrant and native students, as well as of boys and girls. To reliably estimate mean differences, the measurement invariance of a short version of the Academic Self-Regulation Questionnaire was first…

This study examined the associations between children's co-occurring relational and physical aggression trajectories and their peer relations (i.e., peer rejection, peer acceptance, and reciprocated friendships) from late childhood (Grade 4; M[subscript age] = 10.0) to early adolescence (Grade 8; M[subscript age] = 13.9). Using a sample of 477…

Although relationship expectations are thought to influence all social interactions, little is known about the function of children's friendship expectations. This study examined the associations among children's friendship expectations and their behavior within their friendships, their friendship adjustment, and their socioemotional functioning.…

We investigated whether perceived inclusion and exclusion with peers at school, as well as self-reported bullying exposure, affected positive and negative affect among 1161 students from grades five through seven. Positive affect was significantly, but only weakly, affected by perceived exclusion and inclusion. Negative affect was not related to…

The purpose of this study was to test bidirectional relationships between (cyber)bullying and (a) bonding to school and (b) bonding to teachers. These relationships were examined while controlling for traditional and cyberbullying victimization, as well as gender and age. The sample consisted of 2,128 Belgian early adolescents, who participated in…

The purpose of this research is to determine the colour preferences of 5th grade students in relation to the concept of gender. The study was conducted with the 19 5th grade students studying at Central District of Bartin Province in 2015 to 2016 academic year. Throughout the research, quantitative research method had been used while survey had…

A 30-item questionnaire was designed to determine Omani science teachers' attitudes toward teaching science and whether or not these attitudes differ according to gender and teaching experiences of teachers. The questionnaire items were divided into 3 domains: classroom preparation, managing hands-on science, and development appropriateness. The…