MaxDiff Functions
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MaxDiff Functions are only applicable in studies containing MaxDiff exercises. The functions below are useful when advanced researchers want to customize the format for their MaxDiff questions.

SSI Script:
Description:
MaxDiffDesignLabel
 (ExerciseName_MaxDiffQuestionName, Position#)
Returns the item text for the specified MaxDiff question for the specified Position#. This function is used when researchers want to customize the format of their MaxDiff questions.
MaxDiffDesignValue
 (ExerciseName_MaxDiffQuestionName, Position#)
Returns the item value for the specified MaxDiff question for the specified Position#. This function is used when researchers want to customize the format of their MaxDiff questions.
MaxDiffRankAttLabel(ExerciseName, Rank#)

Returns the list item label for the item with the rank specified. So a rank of 1 would return the list item label with the highest maxdiff logit score. More info.
MaxDiffRankAttValue(ExerciseName, Rank#)


Returns the list item value for the item with the rank specified. So a rank of 1 would return the list item value with the highest maxdiff logit score. More info.
MaxDiffScore(ExerciseName, ItemIndex)
Returns the maxdiff logit score for the ItemIndex of the list associated with ExerciseName. More info.


For additional flexibility in SSI Scripting, see the Unverified Perl documentation.