Relevance Condition to Multiple Fields

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Relevance Condition to Multiple Fields

There are ways to apply the same relevance code to multiple fields without copying it. Copying the same code to a couple of fields can be acceptable depending on personal preference, but copying to 5 or more fields should always be avoided as it increases the likelihood of making programming mistakes.

It is recommended to use a begin group field to apply the same relevance code to all the fields inside the group. Then, the relevance code is indicated only for the begin group field and there is no need to repeat it for all the fields for which the relevance code is necessary. A questionnaire coded like this will be much easier to update during the development phase or during the field work where there is little time as many other tasks are keeping the project team pre-occupied.

In general, using begin groups field in a programming form avoids the repetition of codes and makes the whole survey easy to read and to understand.

Code example

Here is a code example that shows how a group is used so that the relevance condition does not have to be applied to each field inside the group.

Note that there is no problem with having a field be required which is not always shown: required means that if the field is displayed then data needs to be recorded for this field before the enumerator is allowed to swipe past this question.

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This article is part of the topic SurveyCTO Coding Practices