In conjoint analysis,the importance of an attribute,Ii,is defined in terms of the range of the part-worths,αij,across the levels of that attribute Ii = {max(αij)- min(αij)},for each i.

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The statement accurately defines the importance of an attribute in conjoint analysis. The range of part-worths across levels of an attribute measures the extent to which that attribute influences consumer preferences, thus providing a measure of attribute importance.

In Conjoint Analysis,the Importance of an Attribute,Ii,is Defined in Terms