How random is random?
Siatra Vasiliki
psycholika at gmail.com
Thu Feb 11 11:16:45 UTC 2010
Well, when I want to use a randomized exp I prefer a more
unsophisticated way.
I use the RAND function in excel for my items (and this can be done
also within subcategories)
and then have the sequential choice for the selection order.
But in this way you have the same random order for every subj.
Vasiliqu.ee
On Feb 11, 11:00 am, Tobias <tobias... at gmail.com> wrote:
> Hi together,
>
> I was wondering: What's your experience with E-Prime randomizing
> things? It sometimes occured to me that e.g. conditions from a list
> are not that randomly picked.
> Just yesterday I used some InLineScript "y = random(1,180) in order to
> pick a bitmap. As these bitmaps content a line of a certain angle and
> are put on the screen in a matrix, you can kind of see how "mixed up"
> it looks. It seems to me that which number is picked relies to some
> extent on the number picked before. No real random...
>
> Do you know if there is any way to draw random numbers in a better
> way? To optimise the random seed?
>
> Thanks a lot,
> Tobias
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