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• When PARAM describes the numeric score of an individual question from a questionnaire, AVAL contains the score, and AVALC can be populated with the question answer text. Populating AVALC with the question answer text is supportive of review, and may help the consumer understand the meaning of the numeric score that is the subject of the Within the parameter, there is a one-to-one relationship between AVAL and AVALC on the rows on which both are populated.
• When PARAM describes a character-valued response from a set of possible values, the result is contained in If desired for ordering or other reasons, AVAL can also be populated, as long as the result of populating both AVAL and AVALC for the parameter is that they are a one-to-one map on the rows on which both are populated.