5/30/2023 0 Comments Dictionary dProvide consistency in the collection and use of data across multiple members of a research team.Help define conventions that are to be used across a project.Assist in avoiding data inconsistencies across a project.Why Use a Data Dictionary?ĭata Dictionaries are useful for a number of reasons. The metadata included in a Data Dictionary can assist in defining the scope and characteristics of data elements, as well the rules for their usage and application. A Data Dictionary also provides metadata about data elements. It describes the meanings and purposes of data elements within the context of a project, and provides guidance on interpretation, accepted meanings and representation. A Data Dictionary is a collection of names, definitions, and attributes about data elements that are being used or captured in a database, information system, or part of a research project.
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