About scope
A rule that is part of a study object can refer only to:
This concept is called scope.
Child items of a compound item
The child items of a compound item are in the scope of the compound item.
Study objects that are outside the scope of a rule
If a study object falls outside the scope of a rule, you have the following options:
For more information, see:
Tips
If you choose this option, the data-entry rule might be less likely to be reused because it is created on a study object that might not be reused in many other studies, but you are no longer limited by the scope of a particular study object.
For example, if a study event contains two forms, and you have a rule that requires data from both forms, the scope of the rule will allow you to create the rule on the study event or a higher study object.
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