Object types

All terms live in the bdm: namespace; the canonical id of initialized is bdm:initialized.

Object type	Description
RuntimeInstance	One specific runtime execution of an Activity (distinguishes restarts).
Screen	One screen unit (questionnaire page, instructions screen, trial screen).
Panel	A within-screen layout grouping (e.g. matrix rows).
Stimulus	A displayed/audible thing the participant perceives within a trial.
Option	A response option shown to the participant (radio, checkbox, dropdown entry).
Trial	The participant-administered unit; one Response (trial) row per Trial.
UIComponent	An interactive UI control (radio, checkbox, slider, text field, button, key listener).
Window	The runtime window or browser tab (system-wide focus context).
Feedback	A post-response feedback display (correctness, score, band label, explanation).
ConsentForm	The consent form presented for review (what was shown).
Consent	The consent record — the audit entity capturing the agreement (what was committed to).
Recording	A continuous-data capture record (mouse, keyboard, EEG, …).
Timer	An internal software timer (trial timeout, idle detector).
Scorer	A Scorer entity invocation.
LocaleSwitch	A programmatic locale change.