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Prohibited Pairs - How to?
What are Prohibited Pairs?
Prohibited Pairs allow you to make the Concepts (Attributes and Levels) more realistic. It allows for definiting "Rules" that the Conjoint Module wil\
l follow when deciding on what Attributes and Levels to make up a Concept.
You can create as many "Pairs" as you want and the Engine will never display two levels that have been marked as "Prohibited" in the same concept (as\
a product) for the user to choose.
To remove an "Existing Prohibited Pair", simply change the Drop Down Combo-Box to "Select", and then Save your changes. This will automatically remov\
e that Prohibited Pair.
Important:
It is very important that you simulate (Using the Concept Simulator) after defining your prohibited pairs. It is entirely possible that the combination of the Prohibited Pairs that you have defined leave fewer alternatives than the number of "Concepts Per Task" -- In such a case the engine will error out and the user will not be able to complete the survey. Please simulate at least 1000 respondents (Using the Concept Simulator) to make sure that your design is orthogonal enough.
In order to avoid this, please only use the bare minimum prohibited pairs, to acheive maximum orthogonal design. Remember, the idea behind Conjoint is to "discover" tradeoffs.
Simulated Concept choices should never be '0'.
Screenshot
License Restrictions
This feature/tool [Conjoint Analysis Tools] is not available as part of any of our standard self-service licenses. It is part of our Enterprise Service License. Please contact your Account Manager for pricing and options for purchasing the Enterprise Service License.
Please Visit Survey Analytics to lean more about Enterprise Solutions
