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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 is ...
EyeQuestion API
What is API? API stands for application programming interface, which is a set of definitions and protocols for building and integrating application software. These interfaces establish a secure and standardized means for different applications to ...
Show and Hide Specific Part(s) of a Questionnaire
When collecting data, the ability to create questionnaires that adapt dynamically to panelist responses or input values is a game-changer. It not only enhances respondent engagement but also ensures that you collect the most relevant and insightful ...
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 ...
Three-Alternative Forced Choice (3-AFC)
Introduction The three-alternative forced choice (3-AFC) method is a discrimination method where panelists are presented with three samples simultaneously and instructed to identify the sample(s) that are higher or lower in a specified sensory ...