About the Measure
| Domains | Mental health and wellbeing, Social and Emotional Competence |
| Key stages | Key Stage 1 |
| Subscales | Physical health and well-being; Social competence; Emotional maturity; Language and cognitive development; Communication skills and general knowledge |
| Description | The Early Development Instrument is a questionnaire completed by kindergarten teachers in the second half of the school year that measures children’s ability to meet age-appropriate developmental expectations. It should be used as a population-level screener to assess change or status here, rather than to derive scores for individual children. |
| Example | Would you say that this child comforts a child who is crying or upset? |
| Link | https://edi.offordcentre.com/wp/wp-content/uploads/2015/11/EDI-ON-2015-Eng-Jan-20.pdf |
| Psychometry | |
| Implementation |
Implementation details
| No. of items | 103 |
| Format | Likert |
| Respondent | Teacher |
| Scoring | Standardised |
| Time | 0 |
| Age | 3.5-6.5 |
| Cost single purchase | Basic license $2 |
| Cost per child | Contact offord c |
Psychometric details
| UK norms | No |
| Cronbach's α | .84-.96 |
| Test retest | Not reported |
| Inter-rater reliability | Between educators, r= [.53,.80], p< .01; Between parents and educators, r= [.36,.64], p< .01 |
| EFA | 14-factor obliqu |
| CFA | 5 separate ML-CFAs 0.41 |
| Criterion validity | Early Child Development Instrument language domains significantly related to Peabody Picture Vocabulary Test, r= [.31,.47] |
| Construct validity | Not reported |
| Concurrent validity | Not reported |
| Predictive validity | Not reported |
| Responsiveness | Not reported |
| Floor/Ceiling | Not reported |
| References | Janus, M. & Offord, D.R. (2007). Development and psychometric properties of the Early Development Instrument (EDI): A measure of children's school readiness. Canadian Journal of Behavioural Science, 39(1), 1-22. doi:10.1037/cjbs2007001 |