Experimental Design
How to Build a Balanced Incomplete Design with More than 17 Products
The Balanced Incomplete Design is a design that has an equal number of observations but not all treatments can be assigned to each block, set or session. This can be used to create a design that contains more products than product presentations. For ...
Workspace: Design Page
Introduction Welcome to the Design section of EyeQuestion, where the structure of your questionnaire takes shape. This crucial page is where you determine the order in which panelists will evaluate the products. Each template provided within this ...
How Do I Edit Randomly Generated Blinding Codes
Introduction When creating a questionnaire, a default three-digit blinding code is generated. However, there may be occasions where you want to change these three blinding codes. This article will explain how to do just that. Using Generate Design 1. ...
Design Types Available in EyeQuestion
Introduction EyeQuestion provides a diverse range of design types to meet your every need. On the "Design Type" tab within the Design Generator, you can select from various design options. This page offers an overview of each design type available. ...
How to Create a Multi-Design Project
Introduction Multi-design projects serve as tools for conducting comprehensive evaluations across various dimensions. For instance, they prove particularly useful when there's a need to systematically assess different aspects of products. Consider a ...
How Can I Import a Custom Design?
How Can I Import a Custom Design? If your preferred design cannot be created using the design generator, a custom design can be created using excel and imported into an EQ project. To import a custom design, go to the design page of your project. ...
How Do I Generate an Experimental Design
In EyeQuestion you can generate different kind of experimental design. Some experimental designs are already included in the application, while specific ones can be imported. In the following article you will find more information on this kind of ...
How to Modify a Design from Monadic Sequential to Block Design
Introduction When creating a questionnaire, it could occur that you need to modify a design that initially presents samples to panelists in a monadic sequential order and instead switch to a block design where all samples are presented at once. In ...
Popular Articles
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 ...
Reward Management
Mostly companies offers rewards or incentives to increase participation in the consumer research. Reward management allows a user to grant and pay rewards to panellists from an EyeQuestion questionnaire. The user can setup reward criteria in the ...
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 ...