MATCHING AND LINKING TERMINOLOGY
For the purposes of the Collection, match or matching relates to the scenario where two or more records can be identified to belong to the same unique child. Linked or linking relates to the scenario where two or more records are linked but are not necessarily a true match for a unique child. The Collection only adopts the linkage methodology because the Collection linking methodology uses a Statistical Linkage Key (SLK), which is not a unique identifier. In a majority of cases, the SLK may be unique but in some instances, more than one child may have the same SLK due to similar characteristics. For further information about the SLK please see National Early Childhood Education and Care Collection: Data Collection Guide 2013 (cat. no. 4240.0.55.002).
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