Help! Getting a probe word chosen out of a large list once during every sample

liwenna liwenna at gmail.com
Wed Feb 17 11:41:36 UTC 2010


You're welcome ^.^

Let me know if something still gets in your way ;)

Best,

liw

On Feb 17, 6:14 am, John Fletcher <thethirdcl... at gmail.com> wrote:
> liw,
> I think you may have solved my problem, and I praise you for it. If
> this works it was my last portion of the experiment I've been writing
> will be done! I may be responding in childish excitement but I am
> quite ecstatic. I've been working on this for quite sometime and I
> believe that you may have just explained how to get past my last road
> block.
>
> Gratefully,
> JCFIII
>
> On Feb 16, 4:54 pm, liwenna <liwe... at gmail.com> wrote:
>
> > Hey John!
>
> > I think I see your problem now... you want to have groups of nine
> > words appearing in nine different locations and after each location is
> > used once...  a new run of nine words on each location etc. while in
> > each group of 9 words your probeword needs to be used once and the
> > other 8 words need to be randomly drawn from the remaining 23 words?
>
> > Is that correct?
>
> > *thinkthinkthink*
> > how about... make a list with 9 levels... and an attribute called
> > 'stimword' or whatever name you are using right now. This is the
> > attribute that the textobject or slide will call out to for it's word.
> > Fill out your probeword in one of the levels of 'stimword' and make
> > the other 8 levels call out to a second attribute for instance called
> > distractor by filling out [distractor] as the value of 'stimword'.
> > Into this 9-level list nest a list called for instance
> > 'distractorlist' that contains the attribute 'distractor' and has 23
> > levels holding the distractorwords. Randomise both lists and set the
> > first list to be run a number of times (as many runs of 9 words as you
> > need). Now... e-prime will run the 9-level (= 9 trials) list a set
> > number of times always using the probeword in 1 out of 9 trials and
> > randomingly pick words from the remaining 23 words on the remaining 8
> > trials. I would actually then suggest adding a 24th word to make
> > 3x8=24+3 = 27 = 3 runs of 9 words possible... yet the very fact that
> > your 23 words don't seem to 'match up' with what I now think you need
> > done makes me think that I might have not the right idea of what you
> > need after all....   Lastly: I don't know how you implemented the
> > randompositioning at the moment but if the above suggstion is what you
> > need after all, I suggest putting that attribute in yet anoter list
> > that is also nested into the 9-level triallist together with the
> > distractorlist (separate listnames by comma's in the attribute
> > 'nested').
>
> > Best,
>
> > liw
>
> > On Feb 16, 9:23 pm, John Fletcher <thethirdcl... at gmail.com> wrote:
>
> > > Tobias,
> > > Thank you for your response. I am currently using a nested list
> > > containing my 23 distractors and one probe word. I have my main list
> > > calling to that for each presentation, my problem is that I cannot
> > > figure out how to guarantee that my probe word will show up every time
> > > while still keeping where it shows up in my list random.
>
> > > Thanks,
> > > JCFIII
>
> > > On Feb 16, 10:47 am, Tobias <tobias... at gmail.com> wrote:
>
> > > > Hi John,
>
> > > > you should use a nested list with an attribute (the name of a column
> > > > in the list) with 23 entries (i.e. one line for each word). You can
> > > > then call that list from another list using square brackets around the
> > > > attribute's name. That should make it a bit easier...
>
> > > > Cheers,
> > > > Tobias
>
> > > > On 16 Feb., 17:01, John Fletcher <thethirdcl... at gmail.com> wrote:
>
> > > > > liw,
> > > > > thank you for your response. The words are being shown 1 at a time in
> > > > > the 9 positions. My problem with setting the list to random is that
> > > > > the probe word is not shown every time in one of those 9 position
> > > > > because there are 23 other words and only one probe. I have tried
> > > > > weighting my probe word, but I cannot have it shown more than once in
> > > > > each group of 9 words. I am rather new to E-prime, and if what i have
> > > > > written is not enough information about my experiment please let me
> > > > > know and when I get out of class I will sit down and write out all of
> > > > > what I am doing.
>
> > > > > Thanks,
> > > > > JCFIII
>
> > > > > On Feb 16, 4:56 am, liwenna <liwe... at gmail.com> wrote:
>
> > > > > > Hey John,
>
> > > > > > These nine positions.... are nine words shown at once? Or are the
> > > > > > words shown one at a time and at one of the nine positions?
> > > > > > In the first case I think we'd need some extra information on your
> > > > > > current set-up, in the second case you'd simply have your list contain
> > > > > > the 24 words, on of them your probeword, in 24 levels and by selecting
> > > > > > random order for your list properties your problem would be
> > > > > > solved... ?
>
> > > > > > best,
>
> > > > > > liw
>
> > > > > > On Feb 15, 9:43 pm, John Fletcher <thethirdcl... at gmail.com> wrote:
>
> > > > > > > Hello, I am very close to having my experiment done, but I just have
> > > > > > > one last piece that I have yet to figure out. I have a list of 24
> > > > > > > words, 23 of which are distractors, and 1 is my probe word. I have 9
> > > > > > > serial positions that these words need to show up randomly in, but my
> > > > > > > probe word has to show up once randomly during every run of the list.
> > > > > > > I cannot seem to figure out how to make this happen. If anyone can
> > > > > > > shed some light on my situation I would immensely grateful. Thank you
> > > > > > > for taking the time to read this.

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