During a Triangle test a panellist is presented with three samples of which two are equal and one if different. A panellist must point out the odd sample.
In a Triangle test you can display a screen only when the correct answer is given by a panellist.
Create a triangle test by selecting triangle template.
After selecting ''Create Project", you will see following options
Click on project selector encircled in the picture above. When you click on it following window will appear. You will find triangle template under "Discrimination" folder.
Add an additional screen in design section of the questionnaire and name it correct answer. In that screen, click on ''Add Question" tab and select general questions > general instruction.
In that screen, set the condition as difference equals 1 and type a text "You provided correct answer'' in project workspace as shown below
When a panellist provides a correct answer then the above text will appear.
Create another additional screen with name incorrect answer and set a condition difference equals 0. You can type text as "You provided incorrect answer"
Panellists will receive the text of incorrect answer when they provide wrong answer.
Direct Feedback, Panelist Feedback on a scale, Panelist Feedback
Direct Feedback 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 ...
2-AFC, 3-AFC, Duo Trio, Triangle, Tetrad Analysis
Purpose Analyse results from one of the following tests: 2-AFC, 3-AFC, Duo-Trio, Triangle, Tetrad. Data Format Discrimination.xlsx Results of the discrimination test are binary (1 = correct answer, 0 = incorrect answer) Background 2-AFC Test This ...
Discrimination Test Settings - Pd and d' Analysis
Purpose Establish the power of a discrimination test given a set sample size or to calculate the sample size required to get a desired power. This can be done specifying the expected difference as a proportion of discriminators (Pd) or as a ...
Skipping screen(s) , Triggering additionnal question(s) , branching questions flow
Skipping screens or questions depending on previous answers, branching questions flow depending on answers Introduction While designing your project, you may want your questionnaire to branch differently depending on the respondents answers or values ...
Same/Different Test Analysis
Available from version: 220.127.116.11 Purpose The Same Different Test is a discrimination test that is a variation of the paired comparison test. The assessor is presented with two samples and is asked to decide whether these samples are the same or ...