# Programming a study

- [EyeLink (Experiment Builder)](/lab-wiki/project-workflow-planning-and-setting-up-a-study/programming-a-study/eyelink-experiment-builder.md)
- [PsychoPy (PyHab)](/lab-wiki/project-workflow-planning-and-setting-up-a-study/programming-a-study/psychopy-pyhab.md): Example from a Discrimination/HPP study using three screens (central fixation, right and left).