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.
Open Lab: from a first study to data
Check data quality and screen for bots
3:38 · narrated, with subtitles in 12 languages · recorded in November 2026
The Data Quality Centre on a study with simulated participants: paradata, which must be on before you collect, risk scores and signals, the three verdicts and what they do not prove, a time rule, device matches, flags and exclusions, and what to tell participants.
Up nextlab.js and the builder3:17 →