Summary
This tool calculates whether the difference in the percentage of children who are vulnerable, at risk or on track between two waves of AEDC data is significant. The tool is in Microsoft Excel format.
Related resources
Link to comparing-aedc-results-over-time
Fact sheet
Comparing AEDC results over time
This resource outlines how to compare results over different collections over time.
Link to technical-report-calculation-critical-difference-march-2022
Report
Technical Report: Calculation of the Critical Difference (March 2022)
This report outlines the process of calculating critical difference of AEDC data over time. This involves four key stages of analysis which are described within.