variable interstimulusinterval

[liwenna]

make an attribute called objectduration in a list somewhere.... either
make a separate list with two levels, one level duration A, the other
duration B (in milliseconds) and nest the list(s) you have in your
current setup into this list, or (if the number if levels in your
current list is moderate) duplicate the current levels you have and
give half of them duration A under the attribute objectduration and
the other half duration B. In the properties of your object make
'duration' refer to the objectduration attribute in your list: type
[objectduration] in the objectproperties duration box. The program
will now, for each showing of your object, use the duration defined in
the triallist.

Good luck!

On Jun 23, 6:47 pm, Harold Mouras <hmou... at gmail.com> wrote:
> Hello,
>
> Please forgive this silly question…
>
> We constructed an e prime run with an ISI stimulus. This is an object. We
> would like to make the duration of this stimulus random between two values
> but do not find any solution at the moment.
>
> Could someone help us ?
>
> Thank you very much in advance,
>
> Sincerely yours,
>
> Harold Mouras
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