Problem with having an item drawn repeatedly from a nested list

[liwenna]

No problem... I kinda like playing with e-prime... ;)

Let me know if it works out (and also if not).

liw

On May 6, 6:25 am, Joseph Williams <josephjaywilli... at gmail.com>
wrote:
> Hi Liw,
>
> Thanks a lot! I appreciate you thinking about this for me.
>
> I'll try out this more direct approach that you used, there was a reason to
> have things nested the way I did it the first time, but now on second
> thought I think I can get around that.
>
> All the best,
>
> Joseph
>
> On Mon, May 4, 2009 at 7:19 AM, liwenna <liwe... at gmail.com> wrote:
>
> > Hi Joseph,
>
> > At first I thought your problem would be due to having a variable
> > 'listaorlistb' in two consecutive lists... but I built a little
> > testexperiment based on your info and that doesn't seem to be a
> > problem... althoughI did not manage to replicate the last bit of info
> > you give, were you use the variable 'listaorlistb' as a nested list...
> > I could not figure that one out without having e-prime crash.
>
> > The good news is though, that there is a setup possible, close to what
> > you describe that does exactly what you need (or at least it does for
> > me, and I obviously don't know what other features your task has that
> > might interfere). I found that there is no need to use a variable
> > 'listaorlistb' at all, not in the first 2 level list (as long as you
> > nest listA and listB well, you could use a variable like that for
> > logging though) nor in the actual lista and listb. I hereby post a
> > link to a screenshot of the setup that works for me. I opened the
> > three lists so that you can see all the parameters and randomisation
> > values. I hope it will help you to locate the litle culprit in your
> > own experiment.
>
> >http://images.redial.net/setuplistaorlistb.bmp
>
> > Good luck!
>
> > liw
>
> > On May 1, 10:50 pm, Joseph Williams <josephjaywilli... at gmail.com>
> > wrote:
> > > Hi Everyone,
>
> > > 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.
>
> > > 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].
>
> > > Does anyone have any ideas about what the problem might be?
>
> > > Thank you,
>
> > > Joseph
--~--~---------~--~----~------------~-------~--~----~
You received this message because you are subscribed to the Google Groups "E-Prime" group.
To post to this group, send email to e-prime at googlegroups.com
To unsubscribe from this group, send email to e-prime+unsubscribe at googlegroups.com
For more options, visit this group at http://groups.google.com/group/e-prime?hl=en
-~----------~----~----~----~------~----~------~--~---