Latest Documents


  • The Early Development Instrument (EDI) Fact Sheet


    The EDI is a questionnaire that is used province-wide. It was developed by researchers at the Offord Centre for Child Studies to measure patterns and trends in child development in populations of children. The questionnaire is completed by kindergarten teachers for children in their classes. They are filled out in February, after teachers have had the chance to get to know their students. This ensures that teachers are able to answer the questions for each student knowledgeably. The EDI includes 104 questions and measures five important areas of early child development. These areas are good predictors of adult health, education and social outcomes.

    Subjects:EDI Early Development Instrument

  • The Middle Years Development Instrument (MDI) Research Brief


    The Middle Years Development Instrument (MDI) is a self-report questionnaire that asks children in middle childhood about their thoughts, feelings and experiences. The MDI is the first survey of its kind to gather information about the lives of children both in school, in the home and in the community, from their own perspective. The survey uses a strengths-based approach to assess five dimensions of child development that are strongly linked to social and emotional well-being, health, academic achievement, and overall success throughout the school years and in later life.

    Subjects:middle childhood development Middle Years Development Instrument MDI






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