jsPsych/docs/plugins/jspsych-webgazer-init-camera.md

jspsych-webgazer-init-camera

This plugin initializes the camera and helps the participant center their face in the camera view for using the the WebGazer extension. For a narrative description of eye tracking with jsPsych, see the eye tracking overview.

Parameters

In addition to the parameters available in all plugins, this plugin accepts the following parameters. Parameters with a default value of undefined must be specified. Other parameters can be left unspecified if the default value is acceptable.

Parameter	Type	Default Value	Description
instructions	string	too long to put here	Instructions for the participant to follow.
button_text	string	Continue	The text for the button that participants click to end the trial.

Data Generated

In addition to the default data collected by all plugins, this plugin collects the following data for each trial.

Name	Type	Value

No additional data collected.

Example

Parameterless use

var init_camera = {
  type: 'webgazer-init-camera'
}