The purpose of this study was to examine how the members of children's peer groups resemble each other in terms of behavioural and emotional strengths, academic achievement and behaviour at school. The participants were 739 9- to 10-year-old children (354 boys, 385 girls) from 30 Finnish elementary schools. 431 children (241 girls, 190 boys) were…

Pre-service teacher training is research intensive in Finland. Additionally, teaching as a profession is highly valued among young people. However, quantitative methods courses are challenging for teacher students from many reasons. Particularly, this is due to previous negative experiences and emotions (among other things). Thus, novel approaches…

Emotion dysregulation is a common social functioning deficit in children with attention-deficit/hyperactivity disorder (ADHD). Little is known about how teachers rate irritability in school-aged children with ADHD. We examined irritability and disruptive behaviour in clinic-referred school-aged children (n = 145) with ADHD. Children in this…

This book presents the first results from the third cycle of the IEA International Computer and Information Literacy Study (ICILS 2023). This study investigated how young people are prepared for life in a world where the capacity to use computers and digital information responsibly, safely, and effectively is essential. The study reports on data…

Background: Academic buoyancy refers to students' ability to come through ordinary challenges they face in the academic context, and it can positively contribute to students' beliefs and behaviours in learning situations. Although buoyancy has been found to be related to positive academic outcomes, previous studies have not examined how buoyancy…

Although knowledge on the psychosocial (mal)adjustment of bully-victims, children who bully others and are victimised by others, has been increasing, the findings have been principally gained utilising a single method to identify bully-victims. The present study examined the psychosocial adjustment of bully-victims (as compared with pure bullies…

In this short-term longitudinal study, we systematically examined the distinctiveness of guilt- and shame-proneness in early adolescents (N = 395, mean age = 11.8 years) in terms of differential relations with peer reported prosocial behavior, withdrawal, and aggression. Results from structural equation modeling indicated that guilt-proneness…

In 2009 and 2010, a large group of Finnish children and adolescents got narcolepsy after the vaccination campaign to prevent swine flu pandemic. A sample of children and adolescents who had gotten narcolepsy after 2009 participated in this study. The purpose of this research was to analyse how narcolepsy that developed from the swine flu…

This book contains a compilation of papers presented at the International Psychological Applications Conference and Trends (InPACT) 2019, organized by the World Institute for Advanced Research and Science (W.I.A.R.S.). Modern psychology offers a large range of scientific fields where it can be applied. The goal of understanding individuals and…

Background: Research into school bullying has a long tradition but a rather narrow scope. Many prevention programmes have been designed, but despite extensive investigation, most studies suggest that bullying is not decreasing. There is something paradoxical in this phenomenon. In order to have any real impact on some phenomena, thorough…