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Including price in a MaxDiff

I have a maxdiff scenario where a client wants to compare 8 product concepts. So the "attributes" of the MaxDiff are the 8 concepts and we want to run MaxDiff to evaluate which of the concepts are most desirable.

We are proposing to anchor the maxdiff using a propensity to buy.

Can we include price in the description of each concept? Or should price be excluded?
asked Nov 11, 2019 by J

1 Answer

0 votes
Well, I can think of a few ways of including price in a MaxDiff.  

Of course you could include a price for each of the 8 concepts - this would tell you how much the 8 combinations of concept and price are preferred by respondents, and if you add a direct anchor question, you could see that relative to a cutoff in terms of propensity to buy.  

Alternatively you could do a variant of the options pricing model.  You might make 3 versions of each concept, so that each concept appears with a high, medium and a low price.  Make sure in the design to prohibit the same item from appearing with two different prices in the same question.  Now when you run your MaxDiff, you can see a price curve for each of the 8 products.  And if you add a direct anchoring question, you can also have a measure of absolute, instead of just relative, threshold for buying.

Of course all of this assumes that you want price in at all.  If you just want the relative value of the 8 concepts, and you don't care about priced, then leave it out.
answered Nov 11, 2019 by Keith Chrzan Platinum Sawtooth Software, Inc. (115,750 points)