The direct feedback function provides the feedback live to panelists.
The mean and sd need to be specified for each attribute for each product, so you need to know ahead of the mean and the standard deviation value.
When panelists are filling the questionnaire they will see how their answer performed compared to the mean and the sd set ahead.
First Create a project: Create Project>Sensory Templates>Panel Training>Direct Feedback
The default template contains already some line-scale that you can modify.
In the Line Scale Standard used in this template, the Feedback function is already activated (Advanced settings>Feedback). Under mean and sd options you can indicate what mean and standard deviation for each product should be.
There are two ways to indicate that:
You create and import an Excel file where you indicate the mean and sd value for each product. In the excel file, you need to have a column with the attribute name + mean, and another attribute with the attribute name + sd. Each row in your excel file corresponds to your products. E.g. 25 is the mean score of product 1 indicated in your design (not the first product that panelists will evaluate).
You can then import this Excel file in Design>Products>Import:
Once imported you will see that the mean and st dev per product are in. If you want you can also directly make the changes here.
When you go back to your line-scale question, in the mean and sd section you can indicate with a placeholder that the information regarding the mean and sd will be taken from the product characteristics that we just imported.
Alternatively, you can directly set the mean value and the sd directly from the line scale: in the example below for instance the mean score for product 1 = 40 with sd 5, product 2 = 50 with sd 5 , and product 3 = 60 with sd 5 .
You can find an explanation of how to use the direct function also in our manual.
Show how a panelist how he/she rated all the products on the scale (B. Panelist Feedback on a scale):
1. On your questionnaire, go to the "End screen"
Add question Panel Feedback>Panelist feedback on a scale
In the Standard Setting, you should set from which question the feedback is based.
In this feedback, the panelist will only see their individual personal answer.
Make sure that the line scale that you use during your test and for your feedback has the same anchor.
Show the feedback of also the other participants (A. Feedback)
Through this function, you will show the result of EyeOpenR analysis to your panelists.
In the End Question, add a Question type>Panel Feedback>Feedback.
In the Standard settings, set the Analysis that you would like to show to your panelists. And you can also indicate the Output.