Self-report measures offer a unique source of information in the assessment and intervention of individuals with autism spectrum disorder. However, it is not known if children with autism spectrum disorder can answer self-report questionnaires accurately and consistently. As a step to address this issue, we examined validity indexes of the…

Indirect aggression has been associated with antisocial personality traits like Machiavellianism, but there is a lack of evidence on their longitudinal development across adolescence. Therefore, the joint developmental trajectories of adolescent indirect aggression and Machiavellianism across 3 years of high school (Grades 10 to 12) were…

Background: While empirical testing of many of the interRAI Child and Youth Mental Health (ChYMH) assessment scales have been found to be reliable and valid across both child and adult samples, other scales have yet to be psychometrically evaluated within child populations. Objective: The current study evaluates the psychometric properties of the…

The joint development of trajectories of bullying perpetration and peer victimization from Grade 5 to Grade 8 and concurrent and predictive associations with parent- and child-reported symptoms of psychopathology (anxiety, depression, attention-deficit/hyperactivity disorder, and somatization) were examined in a large sample (N = 695) of Canadian…

Little is known about factors that affect teacher and special educational assistants' (SEA) relationships with students with Autism Spectrum Disorders (ASD). In this study, participants were 15 students with ASD receiving inclusive education in Kindergarten through Grade 3, their classroom teachers, and SEAs. Teachers and SEAs completed rating…

Although many individuals with AS keenly desire social relationships, they are often unsuccessful in developing and maintaining them. Emotional intelligence (EI) as both an ability and trait is a construct that offers potential to enhance understanding of emotional and social characteristics of individuals with AS. Twenty-five young adults (aged…

This study examines the role of sex, gender role orientation, social representations of indirect aggression, and indicators of psychosocial adjustment in indirect aggression and victimization in an emerging adult sample. A total of 42 participants (19 men, 23 women) recruited are required to complete the questionnaires, along with 18 participants…