Monadically or by paired comparison? Testing fragrances and flavours
Felix Schaefer Schaefer Marktforschung GmbH, Germany
The question of 'the better method'
The question is quite an old one, the advantages and disadvantages of the two methods have been known and debated to and fro for decades. No wonder that as early as 1966, Blankenship suggested in an article
Let's bury paired comparisons!
The reply came swiftly: Haller argued
Let's not bury paired comparisons.
And there, it seems, we still stand today.
The typical arguments regarding paired comparisons are:
- pro:
- economy (one sample necessary for testing two...