Middle school teachers frequently struggle with positively managing student behavior. However, praise-to-reprimand ratios (PRRs) have received little research attention. PRRs studied in elementary school have been positively associated with improvements in on-task and prosocial behavior, but limited research has been conducted on optimal PRRs in…

Although cyber victimization has been suggested as a significant risk factor for the development of adolescents' depression, the underlying psychopathological process that mediates this relationship needs further exploration. Based on the psychological inflexibility model, this study aimed to examine cognitive fusion and experiential avoidance as…

In recent years, bullying victimization has received increasing attention from researchers worldwide. The link between bullying victimization and reactive aggression is well-established in numerous studies. However, longitudinal association and underlying mechanisms remain less explored. This study examined gender-specific effects of traditional…

This dissertation includes three individual articles that explore the relationship between witnessing bullying and defending behavior among students who are bystanders of bullying. Chapter One provides the rationale and purpose of this dissertation and an overview of the three articles that comprise it. Chapter Two employed a cross-sectional…

This research paper aims to promote environmental knowledge and behavior in the Moroccan school through the syllabus of science at the level of the Moroccan middle School. As a first step, a comparative multi-case study was conducted. It is intended for students from four middle Schools who belong to four different socio-environmental backgrounds.…

Middle school teachers frequently struggle with positively managing student behavior. However, praise-to-reprimands ratios (PRRs) have received little research attention. PRRs studied in elementary school have been associated positively with improvements in on-task and prosocial behavior, but limited research has been conducted on optimal PRRs in…

This study examined the influence of motivation and online self-regulation on students' online learning satisfaction. A sample of 1649 middle school students participated in the study. The findings suggested that online self-regulation and motivation played a driving role in students' online learning satisfaction and that motivation indirectly…

The General Social Outcome Measure (GSOM) is a performance-based measurement tool designed to assess the change in social skills performance during and after intervention for students with social skills deficits. In the current study, the psychometric properties of the GSOM, including the total score and social communication domains, were examined…

This study used a cross-lagged panel analysis to explore the effect of impulsivity and academic achievement on the development of suicidal ideation in adolescents using three-time assessments with an interval of 6 months. A total of 211 adolescents (104 boys, 107 girls with a mean age of 13.62 ± 0.68 years in the third assessment) completed the…

One of the primary goals of STEAM education is to equip students with the capability of creativity to solve problems. Creativity is believed to be closely related to the ability of making remote associations and combining unrelated concepts. This article explored the effects of three kinds of association interventions (i.e., remote association,…

This paper examines the mathematics content knowledge of graduate entry middle school mathematics pre-service teachers at the beginning (n=105; 80%) and end of a mathematics curriculum course. It was found that mathematics content knowledge at the commencement of the course was not strong. An intervention was designed to take account of content…

Background: To combat stereotype threat, several school-based field trials have leveraged self-affirmation theory (Steele & Liu, 1983; Liu & Steele, 1986), wherein affirming one's important beliefs and values can buffer against identity threats. Self-affirmation theory posits that individuals are motivated to maintain a positive overall…

Purpose: Guided by the declarative-procedural knowledge framework, the study attempts to identify middle school students' declarative (knowing what) and procedural (knowing how) fitness knowledge and the relationship between the two. Methods: A sample of students (n = 291, age 11-14 years) from 24 middle schools took a grade-relevant standardized…

The effectiveness of an experimental middle school fraction intervention was evaluated. The intervention was centered on the number line and incorporated key principles from the science of learning. Sixth graders (N = 51) who struggled with fraction concepts were randomly assigned at the student level to the experimental intervention (n = 28) or…

Reducing inequity is the moral imperative confronting today's educational leaders. Central to reducing inequity is leaders' ability to solve the school-based problems that contribute to it, while building the positive and trusting professional relationships required for teachers to commit to the hard work of improvement. A theory of collaborative…