Canadian Journal of Behavioural Science, 3, 1–22. Development and psychometric properties of the Early Development Instrument (EDI): A measure of children’s school readiness. The results strongly indicated that yes, the EDI is indeed a valid and reliable measure of children’s developmental health.Ī history of the EDI’s development and its psychometric properties can be found in a 2007 paper by Drs. Over a decade ago, the creators of the EDI first began assessing its usefulness for data collection to see whether it was ‘the right tool for the job’ of measuring children’s developmental health.
Requirements / Responsibilities of EDI users.
