Behavioral and emotional disorders in childhood can have lasting impacts in areas such as education and future employment, often extending into adulthood. Identifying the potential disorders in children's early grades is beneficial to provide proactive assistance. In this study, we employed a well-validated scale - the Strengths and Difficulties…

This multiple-manuscript dissertation explored the measurement invariance (MI) testing with multiple-group confirmatory factor analysis (MG-CFA) approach from different perspectives. Study 1 explored MI from a theoretical perspective by conducting a systematic review study on MI practices in education. The findings of this study indicated…

Background: Adolescent mental illness is of increasing concern, with prevalence increasing especially in females in the United Kingdom. While service-related barriers can deter help-seeking, the role of family support and engagement in family activities, and attitudes towards seeking help from a doctor has received little attention. Studies…

This paper presents a model that analyses the relationship between the coach's emotional competences and the training climate as predictors of the youngsters' emotional competences and psychological well-being. In the present study, 309 athletes and 17 coaches participated in the study. A general predictive model was estimated with path analysis…

There is considerable variability in the extent to which young people with developmental language disorder (DLD) experience mental health difficulties. What drives these individual differences remains unclear. In the current article, data from the Twin Early Development Study were used to investigate the genetic and environmental influences on…