Flash Profiling

Flash Profiling

Introduction

Flash profiling is an alternative sensory analysis technique adapted from Free Choice Profiling to understand the sensory positioning of products. Untrained panellists select their own attributes to describe and evaluate a set of products simultaneously, and then rank the products for each attribute that they individually created. It is suggested that panellists focus on the descriptive terms, not on the hedonic terms. 

Template Description

The template starts with a screen giving instructions to panellists. The second screen in the start section will allow your panellist to create their own list of attributes with a specific question type called the Dynamic List. In the Standard settings of the specific question type, you can set the minimum and maximum selected attributes the panelist can enter. 
 
In the design section, the first screen has instructions, followed by questions where panellists can rank the products their own chosen attributes. The Ranking with Samples question type has been used for this template. The amount of questions in the design section are based upon the amount the panellist gave or the user has set up in the "Attribute Generation" screen. By default this template has set the maximum to 10 attributes. If the user would like to increase or decrease the maximum, the amount of questions in the design section of the project needs to be adjusted as well. If you would like to have additional information on how to include more attributes to this template, please click the following link: https://support.eyequestion.nl/portal/en/kb/articles/how-to-include-more-attributes-in-the-free-choice-profiling-flash-profile-template 

In the end screen, the template incorporates a "thank you" message, providing an opportunity for you to personalize a final message for the panellists.
 
The design has been created as a block design, which means the panellist will receive all the products simultaneously. Within the design creator you can adjust the amount of samples and blocks (combinations) Within the design settings, you can examine how each panellist will receive the sample, with each set corresponding to a specific order of presentation for an individual panellist. You have the flexibility to edit the product properties by clicking on the Product section. Please remember not to include replicas in the design, as they can interfere with the data analysis.

Raw Data Representation

The raw data will be displayed with each row corresponding to an attribute created by the judge, following the output for the ranking of each sample of that specific attribute. You may view the attributes that the panellists generated in the free attributes question. Each attribute will have a column with the rank that the panellist assigned to that product. 

Analysis

Once data has been gathered, you can  access EyeOpenR and navigate to the Flash Profiling/Free Profiling method. Additional details about this analysis can be found in the following article: https://support.eyequestion.nl/portal/en/kb/articles/flash-profiling-free-choice-profiling 

References

  1. Dairou, V, and Sieffermann, JM. 2002. A comparison of 14 jams characterized by conventional profile and a quick original method, the flash profile. Journal of Food Science, 67,826-834.
  2. Delarue, J, and Sieffermann, JM. 2004. Sensory mapping using flash profile. Comparison with a conventional descriptive method for the evaluation of the flavour of fruit dairy products. Food Quality and Preference, 15,383-392.
  3. Tarea, S, Cuvelier, G, and Sieffermann, JM. 2007. Sensory evaluation of the texture of 49 commercial apple and pear purees. Journal of Food Quality, 30,1121-1131.

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