- To collect data using controlled terms (e.g., Mild, Moderate, Severe)
- Where appropriate a subset of a terms may be used rather than all available terms.
- To ask a specific question on the CRF (e.g., Temperature)
- To create a variable name in the database (e.g., TEMP for the collection of vital sign data when a unique variable name must be created for each vital sign result).
| - To consistently represent applicable variable values.
- Coding...
- Standardizing to a unit...
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