Video tutorials
Narrated walkthroughs of Open Lab and of building tasks in the lab.js builder. Each has subtitles in 12 languages, chapters and a transcript, the files to follow along directly under the player, and a link to its docs page.
Files for this video
- ↓ two-choice-reaction-task.jsonThe task uploaded in this video. The lab.js series builds it step by step.
Open Lab: from a first study to data
Your first study: from task to data
4:20 · narrated, with subtitles in 12 languages · recorded in October 2026
A complete study around a lab.js task: two conditions with group codes, consent, the uploaded task and its parameters, both conditions checked in the demo, and the data of two test runs.
Up nextOne trial: fixation, circle, key press3:23 →