The experiment itself
A lab.js JSON describing screens, trials, and responses — the smallest reusable building block.
- Built and exported in lab.js
- Versioned and reusable
- Uploaded once, referenced by many Studies
How Tasks, Studies, and Projects fit together.
A Task is the experiment you build in lab.js. A Study wraps one or more Tasks for a specific run. A Project groups Studies and the people working on them.
Project4 collaborators · created Jan 2026
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MK
AP
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Cognitive control across cultures
Multi-site collaboration · Replication and follow-ups using Stroop and Flanker paradigms.
StudyLive
Stroop · German sample
Tasks (2)
{ }stroop-taskv2.1
{ }demographicsv1.0
StudyLive
Stroop · Mandarin sample
Tasks (2)
{ }stroop-taskv2.1
{ }demographics-zhv1.0
StudyPilot
Flanker · pilot run
Tasks (1)
{ }flanker-arrowsv0.4
42 sessions
Task library
The same stroop-task v2.1 Task is reused by both Stroop Studies — upload once, reference anywhere. Tasks live independently of Studies.
A run with participants
A configured deployment of one or more Tasks — with a participant link, language, randomization, and live data.
- Has a participant URL and session log
- Lifecycle: Draft → Pilot → Live → Closed
- Owns the data it collects
The research effort
A workspace that groups related Studies and the people working on them — the unit you talk about in a paper.
- Collaborators with shared access
- Holds many Studies (replications, samples, conditions)
- Visible on your researcher profile
A Project contains Studies, and each Study uses one or more Tasks.
1 → n → n