Logos: ECTA and DaSy

Identifying Meaningful Differences in Child Find

This Excel-based calculator allows states to make several comparisons related to the percentage of infants and toddlers served: State percentage compared to state target, local program percentage compared to state target, and year-to-year comparisons of the state percentages. It also computes confidence intervals to determines whether the difference between the two numbers is large enough to be considered meaningful (i.e., statistically significant).

The intended user for this product are state staff responsible for analysis and use of child find data. The calculator computes statistical differences for both the 0 – 1 child count (Indicator C5) and the 0 – 3 child count (Indicator C6).

Published by: DaSy Center and ECTA Center

Excel Tool