Assigning shapes from several lists to positions on circular array

Comments

• hannahl

  February 2019

  Update: I've managed to create pseudo randomised lists of all my shape sets and array locations with the inline script. However, I'm having problems trying to link/reference these lists in my block loop without printing the lists and directly copying and pasting them to the table in the block loop.

  Could I please get some help on how to go about doing this? Thanks!
• eduard

  February 2019

  Hi Hannah,

  If you add a variable to the block loop table that keeps track of the current trial number. You can use use that trial number to access the lists that you created before and define the variables per trial in your loop.
  For example, in the beginning of your loop, you can put an inline_script with this code:

  var.stim = stim_list[var.trial_no-1]
  var.cond = cond_list[var.trial_no-1]
  var.correct_response = corresp_list[var.trial_no-1]
  var.something_else = more_list[var.trial_no-1]
  

  From then on you can use the variables as if they were defined in the loop table.

  Eduard

  
• hannahl

  February 2019

  Hi Eduard,

  Thanks! Can I just clarify how to define the number of trials in the block loop table?
• eduard

  February 2019

  Hi,

  Just add a column with the name trial_no and then that add as many rows as you need trials (numbering them starting at 1).

  Eduard

  
• hannahl

  February 2019

  Great, thanks Eduard!