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What is IBI and is it the same as ABA?

ABA stands for Applied Behaviour Analysis which is a scientific process to identify the functional relations between observable behaviour and environmental context.  ABA uses this information to design interventions to enhance social and personal well being.  ABA is based on objective evaluation and empirically based interventions to achieve meaningful, generalizable and enduring behaviours.(Condensed from ONTABA Standards of Practice)

IBI stands for Intensive Behavioural Intervention which refers to the application of principles of ABA in an intensive setting (minimum 25 hours per week) to result in behaviour change and improvement.


  • An approach to teaching skills based   on principles of learning and behaviour
  • Can be used at home, at school and in the community
  • Can be incorporated into regular school routines 
  • Can be implemented by classroom teacher and support staff
  • Provides a framework for on-going skill development
  • Specific intensive format used by the MCYS Autism Intervention Program
  • Usually delivered at home or in a private space designated by the Autism Intervention Program
  • Primarily provided in a one-to-one or small group setting (low ratio) for a specified number of hours (up to 40) per week (intensity)
  • Delivered by a trained behaviour therapist, supervised by a psychologist
  • Includes “learning to learn” behaviours: imitation, co-operation and attention.
  • Designed to prepare students for school


©Geneva Centre For Autism, 2006