Presenting 2 stimuli simultaneously (with different durations)

[liwenna]

Hi Robert,


The latter solution is what I always use, three slides: fixation,
stimuli and intertrialinterval. I'd say that according to e-prime
logic this is a more sensible setup than trying to have items from one
slide (event) remain while a next slide starts.

Also: you might find that 'an e-primer' by Spapé en Verdonschot is an
useful starting point for getting a grip on e-prime's machinations ;)
You can download it here: step.psy.cmu.edu/materials/EPrimer.pdf .

Best,

AW

On Jan 29, 11:24 pm, Robert Zimmerman <rzimmerl... at gmail.com> wrote:
> I am new to using E-Prime, and in charge of programming studies for a
> small lab that does not have much knowledge of the program in general.
> We are trying to program a visual hemifield experiment in which an
> item will be presented either to the left or the right of a fixation
> point. We want the fixation point ("+") to come on-screen 500ms BEFORE
> the item, remain on screen while the item is presented, and remain on
> screen after the item clears for another 2000ms. Does anybody know if
> it is possible to do this with 2 events, a fixation event and a target
> item event, which overlap? Or will I need to set up 3 events, fixation
> for 500ms, followed by item with fixation for 175ms, followed by
> fixation for 2000ms, presented serially? Any help is much appreciated!
> Thank you.

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