Two different responses within the same object

[David McFarlane]

OK, I understand you a little better this time, so I will try a brief 
response.  Basically, just before your Slide, you also add a Wait object 
with Duration = 0.  Have your Wait object get one response, and your 
Slide get the other.  For the purpose of discussion, let's assign the 
voice key to the Wait object and the mouse to the Slide object, allow 2 
sec for either response, and keep the stimulus Slide up for 2 sec even 
with a response.  Then your structure might look something like

- StimWait:  Duration = 0, Input Mask = SRBox, Time Limit = 2000, End 
Action = (none)
- StimSlide:  Duration = 2000, Input Mask = Mouse, Time Limit = 2000, 
End Action = (none)

Things get a little trickier if you want either of the responses to 
terminate the stimulus, but I will leave that as an exercise.

In general, you can do all sorts of interesting things in E-Prime by 
using short Durations, long PreReleases, and long Time Limits ("extended 
input") to overlap objects, on top of using multiple input masks within 
single objects.  Now if only the E-Prime documentation would actually 
help us here instead of hinder us.

-- David McFarlane, Professional Faultfinder


gilis wrote:
> Hi!
> 
> I have posted here on a very similar issue about one week ago, no one
> answered it then :)
> but I hope that now, when my question is much more focused I will get
> some assistance
> 
> So, it goes like that- in my experiment subjects response vocally to
> the stimulus. As it may be that in part of the trials their voice will
> not cross the minimum voice-magnitude threshold to be considered as
> response (and lowering the threshold is of course not an ideal or full
> solution) I also ask participants to press the left click of the mouse
> while giving their vocal response.
> 
> Thats mean that I need two RTs to be recorded from the same object
> (stimulus slide) and that if voice response was  given first then only
> mouse input will be considered as second response and vice versa.
> 
> So, it means that if their is mouse/voice response then the voice/
> mouse input is now being deactivated. That the first RT is being
> immediately stored in new attribute (named first RT)-that the name of
> the device which is connected with this first RT is also inserted to
> different attribute.  And that the slide now record new RT from the
> device that didn't response yet (and that RT is being added to the
> first RT to have the real time for the second RT).
> 
> The all issue is that E-prime help is pretty bad written so it's hard
> to understand or find what command responsable to what. The online
> samples (multiple response and etc)just don't seem to provide soultion
> to the experiment I described here. So, any help would be appreciated.

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