Trial Command

Trial command which will be executed on the occasion of this classification. Screen operators cannot be used. Place the '+'-operator in front of the FB-command if you want to add pictures within the feedback action.

 Examples for response dependent feedback using the FB-command

; Trial definition which will be executed on missing answers (feedback class 3)

TRIAL Warning
ST Peep          ; Start warning tone
SP False FBpos 1 700          ; and show picture False for 700 ms
CT          ; Clear Tone

; Trial definition for displaying the stimulus

TRIAL ShowItem
RK ResKeys          ; Prepare Response Registration
SP ? MidPos 1 2000          ; Show variable stimulus
+FB ?          ; Compare response with correct key
1: SP False    FBpos 1 700          ; Show False if wrong key
2: SP Correct FBpos 1 700          ; Show Correct, if correct key
3: RT Warning          ; Run trial 'Warning' if no response
CS 2500          ; Clear screen and wait for 2500 ms