IBRE Experiment - "viral diagnosis" with eye tracking

Getting started

Perquisites

• Install Node.js
• Install a code editor like VS Code.
• You need a computer with a webcam and Google Chrome.

Download the Code

1. Clone the repository:

   git clone git@github.com:OpenElement/ibre-online-vi.git

   Or download as a ZIP by clicking Code -> Download ZIP.

Set Up the Experiment

1. Open a terminal in the code directory.

2. Install required packages:

   npm install

3. Edit the WebGazer package:

   • Open packages/webgazer/src/utils.mjs.

   • Add this line at the top:

     import webgazer from 'webgazer';

Run the Experiment

1. Start the experiment:

   npm run start

2. Click the link provided to test. Use Ctrl + C to stop the session.

Customising the Experiment

Redirection Link

Create a file named redirection.json with the following content:

{
    "platformRedirect": "LINK" 
}

• Replace LINK with the redirection link from your participant recruitment platform (e.g., SONA or Prolific).

Messages

Edit the consent form and debrief using the templates in the assets directory.

Deploying the experiment

Run this command to compile the experiment for JATOS:

npm build jatos

This will generate a .jzip file that you can import into JATOS.