Hi Everyone,<br><br>I'm having a problem with an item being drawn twice from a list that is nested in a non-typical way. I had to give two different groups of subjects two different sets of test items, so I had a list with counterbalance selection: the list had list A and list B nested inside along with a variable [listAorlistB]. The first level had list A as a nested list and the variable [listAorlistB] had value "listA", the second had the same for list B. <br>
<br>Then a list containing the sub-procedure that displayed the (e.g. 5) test items had the variable ( [listAorlistB] ) as a nested list so that it always choose the relevant set of items. When I look at the data file (and examine the items by running the program) the first 4 items appear to be drawn randomly, but the 5th and last one is a repetition of one of the previous 4: e.g. 4 2 1 2 (instead of drawing item 3). The item numbers which are shown (like in the example) are correctly given by (e.g.) listA[logLevel5], but I don't understand why one is being repeated instead of drawing another one. I looked at multiple subjects and I always get this problem, and I noted is that the final and repeated item is always the item number in listA[SubTrial].<br>
<br>Does anyone have any ideas about what the problem might be?<br><br>Thank you,<br><br>Joseph<br><br><br><br>
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