This study examined the new self-report version of the Strengths and Difficulties Questionnaire (SDQ-S), SDQ-Kids, in primary school children regarding internal consistency, teacher-child agreement, and validity. Data from 2,655 children in Grades 1 to 3 and their teachers were analyzed. Children completed SDQ-Kids, previously piloted (n = 896),…

Background: Behavioural problems in individuals with intellectual disabilities have a negative impact on them. Limited assessment measures exist in Spain. This study aimed to validate the Behavior Problems Inventory--Short Form (BPI-S) in the Spanish population by examining its psychometric properties and factorial structures. Method: This study…

The purpose is to test the applicability of the Positive and Negative Affect Scale (PANAS) to Chinese children with intellectual disabilities. The study was done by distributing the questionnaire to the parents through teachers online. Asked the parents to fill out the scale based on their observations of their children's daily life. The…

Instability in early childhood education and care (ECEC) arrangements may have detrimental consequences on children's mental health. This study examined ECEC trajectories in the first 30 months of life for 373 children from low-income families in Toronto. We provide information about patterns of instability and reasons for instability. We also…

Parents offer unique information and are recognized as the main informants about children's social emotional functioning across time and situations. Inter-parental agreement was analysed with 100 preschoolers (M[subscript age] = 54.94 months) being rated independently by their mothers and fathers, using the Portuguese version of the Preschool and…

This study aims to develop a scale to determine the Teachers' Management of Undesirable Student Behaviours. The study to determine the construct validity and internal consistency was carried out in the general screening model. The study groups consist of 822 students (458 for AFA; 364 for DFA) studying at various high schools in the centre and…

This study assessed the psychometric properties of the Italian version of the Preschool Anxiety Scale--Revised (PAS-R), a parent-reported measure of their preschool child's anxiety symptoms. The participants were mothers of 279 Italian preschoolers (age 2-7 years, M = 4.5 years). According to information criteria derived from a confirmatory factor…

In the preschool period, children's friendships considered a crucial developmental task. Hence, it is critical to evaluate children's mental representations of friendships during this period. This study aims to evaluate the validity and reliability of the story completion protocol designed to evaluate preschool children's mental representations of…

This study analyzed the psychometric properties of a Chinese version of the teacher-reported Devereux Early Childhood Assessment, Second Edition (DECA-P2) using a sample of 246 children aged between 2 and 6 years old. Confirmatory factor analysis was used to examine its construct validity. Reliability was evaluated based on the internal…

Background: Adolescent-specific ADHD self-report screening measures can greatly increase the likelihood of correct diagnosis and timely treatment of ADHD in adolescents. This study provides preliminary evidence for evaluating the reliability and validity of the Adult ADHD Self-Report Scale-Revised (ASRS-R) in a school-based sample of Chinese…

The present study aimed to adapt the Smartphone Pervasiveness Scale (SPS) into Turkish and to examine its psychometric properties among Turkish adolescents. To this end, two studies were conducted. Study 1 explored the factor structure of the SPS through exploratory factor analysis (EFA), using data collected from 216 adolescents (M[subscript age]…

This paper describes the development and validation of an instrument to assess how students deal with emotionally challenging classroom situations (the DECCS Questionnaire). The questionnaire is based on a vignette with one learning and one performance situation in a classroom, and is intended for students in grades 4 to 7. On a sample of N = 639…

Humanitarian research with Syrian refugees can be difficult to conduct in-person, due to COVID-19 containment, security, and logistics issues. We assessed whether the online implementation of a brief, culturally grounded resilience measure would yield reliable responses for use with children and adolescents in the Middle East region. We…

There is a lack of feasible and psychometrically sound instruments assessing social-emotional development in young children in low- and middle-income countries. The objective of this cross-sectional study was to investigate the psychometric properties of the Brief Infant-Toddler Social and Emotional Assessment (BITSEA) in two West-African…

Introduction: This article describes the development of an Aggression and Restriction Observation Checklist (AROC) for use in residential and in-patient services for adults with intellectual disabilities (ID). The AROC was developed in collaboration between researchers and frontline staff. It assesses self-, person-, and object-directed aggressive…