Asking the ideal intensities for only one reference product or
without a reference product is not recommended since ideals are
influenced by the perceived intensities and we want the exact differences between perceived and ideal intensities for each consumer. Compared to the JAR scale, which only asks the
deviations from ideal for each attribute and product combination,
in the Ideal Profile method, both perceived and ideal intensities
are asked directly (the JAR question ‘is it just right, too much or
too little’ is replaced by the question ‘how strong is it and what
would be the ideal strength’).