Bullying victimization and bullying perpetration, social anxiety, and social withdrawal in Portuguese adolescents: A reciprocal association model.

Further research is needed to clarify the association of the different forms of bullying with social anxiety and social withdrawal over time in adolescents. This two-wave panel study with a 1-year time lag (October 2021-October 2022) examined the cross-lagged relationships between bullying victimization and bullying perpetration, social anxiety (i.e.

Trajectories of social withdrawal and social anxiety and their relationship with self-esteem before, during, and after the school lockdowns.

The closure of schools during the COVID-19 pandemic affected adolescents' social withdrawal and social anxiety. Yet, self-esteem may have acted as a protective factor during this period. This study aimed to compare the trajectories of social withdrawal and social anxiety before (Year 1), during (Year 2 and 3), and after (Year 4) the closure of schools imposed by the COVID-19-related lockdowns, and to investigate the association of self-esteem with these trajectories.

Can an Universal School-Based Social Emotional Learning Program Reduce Adolescents' Social Withdrawal and Social Anxiety?

There is a lack of studies analyzing if universal school-based Social and Emotional Learning programs can reduce social withdrawal and social anxiety. This study analyzed the effectiveness of one such program on those variables, and the role of individual school climate perceptions. In this nationwide study, 704 seventh to eighth-grade Portuguese students (M = 12.

Positive Attitude Upper Middle School social and emotional learning program: influences of implementation quality on program outcome.

Introduction: There is an increased call for studies analyzing how implementation quality influences Social and Emotional Learning (SEL) program effectiveness.

Methods: The current dissemination study analyzed the effectiveness of the Positive Attitude Upper Middle School SEL program on a Portuguese nationwide sample composed of 813 middle school students (7th and 8th grade; 51.7% boys;  = 12.

Differential effectiveness of an elementary school social and emotional learning program during middle school transition in Portugal.

This study analyzed the effectiveness of an elementary school Social and Emotional Learning (SEL) program during middle school transition in Portugal, and the influence of gender, classroom size and student's perception of two school climate dimensions (student-student relationships and teacher-student relationships) upon its effectiveness. One-thousand-sixty-three students (M age = 9.14; SD = 0.

A Multilevel Analysis of the Importance of School Climate for the Trajectories of Students' Self-concept and Self-esteem Throughout the Middle School Transition.

Understanding which environmental factors influence the trajectory of self-concept and self-esteem during middle school transition may help schools better support students during this period. This short longitudinal study examined the influence of students' perceptions of school climate upon the trajectory of students' self-concept and self-esteem during middle school transition. Students in 25 classes from four schools (N = 404; M = 9.

A Multilevel Analysis of the Relation Between Bullying Roles and Social and Emotional Competencies.

This study investigated how social and emotional competencies are related to middle school students' involvement in bullying, and whether class-levels variables influence this association. There were 668 participants ( = 12.73, = 1.

Differential Effectiveness of a Middle School Social and Emotional Learning Program: Does Setting Matter?

There is a lack of studies in the literature addressing the differential effectiveness of Social and Emotional Learning according to their implementation setting. This study compared the effectiveness of an upper middle school Social and Emotional Learning program applied in two different settings: within school and after-school hours, while controlling for individual and class-level variables. There were 837 students (M12.

Trajectories of Social and Emotional Competencies according to Cyberbullying Roles: A Longitudinal Multilevel Analysis.

Current cyberbullying literature lacks longitudinal studies clarifying its predictors and consequences. This 1-year longitudinal study investigated how social and emotional competencies develop according to Portuguese middle school students' involvement in cyberbullying, and whether class size influences this relationship. There were 455 participants (M = 12.

Stress in Portuguese Middle School Transition: A Multilevel Analysis.

Transition from elementary to middle school is commonly seen as a period of stress, impacting students' school adjustment. The present longitudinal study aimed to analyze the difference in stress levels between the end of 4th grade and 5th grade, while also analyzing gender differences and 5th grade retention. Two hundred fifty-eight 4th grade students (M age = 9.

The Effectiveness of a Portuguese Elementary School Social and Emotional Learning Program.

We examined the effects of a social and emotional learning program, Program Positive Attitude, on the social and emotional competencies and self-esteem of Portuguese elementary school students, from the twin perspectives of students and their teachers. Participants were 1237 fourth grade students from 37 schools in a Portuguese municipality, with a mean age of 9.2 years, of which 970 students (in 86 classes) participated in the program and 267 students (in 21 classes) served as a comparison group.

Promoting a Positive Middle School Transition: A Randomized-Controlled Treatment Study Examining Self-Concept and Self-Esteem.

The middle school transition is a salient developmental experience impacting adolescents around the world. This study employed a randomized-controlled treatment design, with randomization at the school level, to investigate the impact of a school adjustment program for middle school transition and potential gender differences. Participants included 1147 students (M  = 9.

Comparing Two Low Middle School Social and Emotional Learning Program Formats: A Multilevel Effectiveness Study.

Understanding which factors are relevant for the effectiveness of social and emotional learning programs is of key importance in designing interventions. This study investigated the effectiveness of a universal, school-based, social and emotional learning program for low middle school students (5th and 6th grades) and compared two program delivery formats for the intervention: curriculum (a semi-structured format) and pre-package (fixed structure).The program also analyzed differential gender effects.

"Positive Attitude": A multilevel model analysis of the effectiveness of a Social and Emotional Learning Program for Portuguese middle school students.

This study investigated the impact, reported by students and their teachers, of a universal, school-based, social-emotional learning program, implemented in three school years on the social-emotional competencies of middle school students (7th to 9th grade). It also analyzes, at post-test and follow-up, the differential results by gender and among students with lower levels of competence. There were 1091 participants, 855 students received the treatment condition (i.