Introduction: Extremism and the justification of violent and illegal acts among young people is one of the major concerns of democratic societies. We have not found any instrument that measures violent extremism among young people in Spain. The purpose of this study is to validate and evaluate the psychometric properties of the Spanish version of…

The rise and growing prevalence of juvenile delinquency is a matter of concern for many parties. This study aims to establish a research instrument in the form of a questionnaire that can be deployed to assess the learning environment perceived by high school students. This research endeavor constitutes a developmental study, wherein the outcomes…

Using a large sample of students (N=1373; 40% girls; Mage =14 years) from 54 classrooms in South Korea, this study identified subtypes of bullies based on specific combinations of self-reports and peer-reports and examined the intrapersonal and interpersonal factors that explain the differences in characteristics between these identified groups.…

This study examined the psychometric properties of the school engagement measure (SEM) in Singapore. The sample consisted of 1,027 students from a multi-ethnic Singapore adolescent community. Exploratory factor analysis (EFA) and confirmatory factor analysis (CFA) confirmed that the two-factor solution, namely, (a) Emotional and (b) Cognitive…

The aim of this study was to adapt the Reactive-Proactive Aggression Questionnaire (RPQ), developed to measure two dimensions of aggression which are reactive and proactive, to Turkish and test the validity and reliability of the Turkish form. The study group consisted of 278 students in four junior high schools in Adana, Turkey, and 485 students…

A test-retest reliability study of the Jesness Inventory based on a group of 54 male adolescents (all probationers) and a study of recidivism among 145 probationers are reported. (CTM)

Purpose. The purpose of this article is to summarize the rich and growing body of research that draws from parental acceptance-rejection theory (PARTheory) and associated measures as used throughout the Arab world. Methodology. This body of work includes more than 100 studies that explore the reliability and validity of Arabic adaptations of…

Administered a modified version of the Minnesota Multiphasic Personality Inventory (MMPI) to 448 high school students, as well as to psychiatric patients and juvenile offenders. Results suggest that students' responses were comparable to normal and clinical groups. The MMPI was effective in appraising the emotional problems of troubled…