Template: Fitts' Law Paradigm
Fitts' Law Paradigm

Required Experiment Builder Version: 1.4.290 or higher
EyeLink Required: No
Type: Complete Example
Difficulty Level: Easy

This example illustrates:
  • How to use Result File node to save trial performance
  • How to Mouse trigger to get mouse click on target

This example is adapted after the experiments reported by Fitts (1954).
  • Fitts, P. M. (1954). The information capacity of the human motor system in controlling the amplitude of movement. Journal of Experimental Psychology. 47, 381-391.
In each trial, a fixation cross appears at the right end of the screen. Click on the left mouse button to start the trial. Each trial displays a blue bar to the left of the current mouse position. Bring the mouse cursor to the blue bar position and make a mouse click as quickly as possible.

The experiment consists of 5 blocks of 25 trials each. The whole session should last about 5 to 10 minutes.

  1. Download the Fitts_Law.ebz example from this message.
  2. Launch the Experiment Builder application.
  3. Unpack the Fitts_Law.ebz file to a location on your Experiment Builder PC with "File menu -> Unpack".
  4. Open the project in Experiment Builder.
  5. Deploy the project to a new folder.
  6. Run the Fitts_Law.exe from the deployed directory.

.ebz   Fitts_Law.ebz (Size: 44.04 KB / Downloads: 10)