Concepts
Deeper-dive references. Reached from links inside the tutorials and reference pages when you want to go beyond the short explanation.
You don't have to read these pages up front. The tutorials link to each one at the point where the topic comes up, so you can open a concept page only when you want a fuller treatment than the tutorial gives.
State machine & trial lifecycle
How a LUIDA experiment progresses from start to end.
Within vs between subjects
The factorial design of an experiment, with Stroop as a worked example.
Conditions, sessions, participants
How LUIDA tracks participants, sessions, and condition assignments.
Questionnaires
How questionnaires registered in the Web Console get rendered in-Cluster.
Data collection & upload
What gets logged, when it's batched, where it ends up.
Which approach should I use?
State-listening Item vs CCK Trigger+Gimmick, auto-transition vs signal, and other common choices.