Previous studies have highlighted domains of parent--child interactions associated with language development among preschool-aged children, namely responsiveness, support to learning, affect, and control. Although many tools have been developed, no single tool has been validated among young children to allow a comprehensive observation of the parental behaviours linked with early language development. ...

Research has tried to identify risk factors that increase the likelihood of difficulties with externalizing behavior. The relations between individual or environmental factors and externalizing behavior have been especially documented. Child-oriented and parent-oriented interventions have been designed in order to decrease externalizing behavior in preschoolers. To date, however, research has largely ...