Early intervention means activities that take place with high−risk individuals, families or populations with the goal of averting or interrupting the further progression of problems asso- ciated with substance use or abuse. These activities may include problem identification and resolution, referral for screening, spe- cialized education, alternative activities development, social pol- icy development, environmental change, training and devel- opment of risk reduction skills.
Early intervention services means individual programmes for children with developmental delays or disabilities, or children at risk of being developmentally delayed or of having a disability, aged 0 to 6 years, aimed at providing assistance to the child and its family in the areas of physical, emotional, social and educational needs.