How to use

This is the main source code for the experiment. If you want to use it, you should copy the actual zip file to your own PsyToolkit account, because often there are other files included for stimuli.

The source code for go-no-go

bitmaps
  instructions
  gosignal
  nogosignal
  errortype1
  errortype2

task go
  keys space
  set $errorstatus 0
  show bitmap gosignal
  readkey 1 2000 # wait 2 seconds for key to be pressed
  clear 1
  if STATUS == TIMEOUT
    set $errorstatus 1
    show bitmap errortype2
    delay 2000
    clear 2
  fi    
  delay 500 # intertrial interval
  save TASKNAME RT $errorstatus 

task nogo
  keys space
  set $errorstatus 0
  show bitmap nogosignal
  readkey 1 2000
  clear 1
  if STATUS != TIMEOUT  ## there should be a TIME OUT, so if not, we have a mistake
    set $errorstatus 1
    show bitmap errortype1
    delay 2000
    clear 2
  fi    
  delay 500 # intertrial interval
  save TASKNAME RT $errorstatus 

# -------------------------------------

message instructions

block test
  tasklist
    go 20
    nogo 5
  end