More generally, for each method, simplified or faster procedures were often developed as it was the case for pro- file test. For example, Sieffermann (2002) suggested combining free choice profiling and a comparative evaluation of the product. Judges simply rank the products attribute by attribute. Such methodologies are named flash profiling.
Actual developments of sensory methodologies also include dynamic measurements such as time–intensity (T– I) measurements. Most of the classic T–I procedures involve the continuous assessment of temporal changes in the perception of a single attribute but some adapted procedures were used to monitor several attributes at several times over the same mastication. Such a procedure was used by Pionnier et al. (2004) to explore inter-individual variations.
If the sensory approach is often considered as the ultimate validation, many studies aimed to propose alternative instrumental methods, less time consuming.