5 Frequently Asked Questions (FAQs)

• What if my JavaScript expression does not return a value for a calculation?
  A JavaScript function always returns a value, if it is properly defined.
• What happens when one of the rule's inputs is cleared?
  When a question used as a rule's input is updated (cleared, removed or replaced with a new value), the system processes the change causing the impacted rule or rules to be re-run. The end result depends on the rule logic and is applicable to all types of custom rules.
• What if I published a rule by mistake?
  
• Can I publish a single rule in Production?
  Yes you can. To publish one rule at a time in Production, all you have to do is move the status slider from Approved to Published, while the study is still in Testing mode.