Understanding data is a prerequisite to using it effectively. Seemingly straight-forward data can sometimes have subtle nuances that require value judgments in how the data are analyzed and presented. Just like a Meriam Webster dictionary explains what individual words mean, data dictionaries explain what individual data elements mean. Links to data sources for and data dictionaries on publicly available early childhood and related data are compiled here.
Data dictionaries for common public data sets and other types of meta-data (data on data) to understand the nuances of key data sets.
Terms, abbreviations and nomenclature that feature prominently in these data sets.
A data inventory is a catalog of different types of data that have been collected.