1. Multiple regression: Testing and interpreting interactions;Aiken,1991
2. Australian Early Development Census (AEDC) (2012). Australian Early Development Census Checklist and Response Criteria. Retrieved from https://www.aedc.gov.au/resources/detail/2012-early-development-instrument-questions.
3. Australian Early Development Census: Data User Guide;Australian Early Development Census (AEDC),2014
4. NAPLAN: National Protocols for Test Administration 2014;Australian, Curriculum, Assessment and Reporting Authority (ACARA),2014
5. Associated cognitive, developmental, and health problems;Barkley,2006