The aim of this study was to validate a questionnaire on mastery motivation (task and effort) for use with Chinese preschool children in Hong Kong. A parent version and a teacher version were developed and evaluated. Participants included 457 children (230 boys and 227 girls) aged four and five years old, their preschool teachers and their…

Purpose: Accurate description of an individual's communication status is critical in both research and practice. Describing the communication status of individuals with severe intellectual and developmental disabilities is difficult because these individuals often communicate with presymbolic means that may not be readily recognized. Our goal was…