Simulating Keypress (beginners question)

[ben robinson]

this is the answer you're looking for, marc.

On Tue, Nov 1, 2011 at 7:48 AM, David Vinson <d.vinson at ucl.ac.uk> wrote:
> Hi Marc,
>
> If your different stimulus types are loaded from a List, you could specify
> StimulusDuration in the list (-1 for stimulus type 1/2, or 3000 for the
> "nothing" stimulus) then on the data collection object, set Duration to
> [StimulusDuration].  Unless there's some other reason you need to do this
> with E-basic.
>
> cheers,
> david
>
> On 01/11/2011 11:42, Marc wrote:
>>
>> Hi Ben,
>>
>> thanks for your input :)
>> The main problem is that in case that Stim 1 or 2 is presented the
>> program is supposed to wait until the user does actually react, no
>> matter how long that takes him. For the "nothing" Stims the
>> participants are told not to react on the stimulus at all, and what we
>> want to do is record whether they react anyway or not.
>> I tried setting duration to our desired presentation time for the no-
>> reaction stims, but didn't know how to tell E-Prime to ignore duration
>> time during the other stims. I read something about custom event
>> timing, but wasn't able to really figure out how that works to the
>> extent of using it...I thought it'd be something like "if stim=1 or
>> stim=2 then OnSetTime=0 and [durationVariable=infinite] else OnSetTime
>> = 0 and [durationVariable=3000]" but everything I tried with the
>> commands the E-Basic reference provides failed.
>>
>> On Oct 31, 6:24 pm, ben robinson<baltimore.... at gmail.com>  wrote:
>>>
>>> if i've understood the question, this is very easy to accomplish.
>>> on whatever object is presenting your stimuli and collecting your
>>> responses (probably the same object, possibly a TextObject or
>>> SlideObject), set the InputDevice to Keyboard, Allowable responses to
>>> "12" (without the quotes, which will make both 1 and 2 allowable
>>> resposes), Duration to 3000, and EndAction to Terminate.
>>> doing this will cause your Stim object to run for 3000 ms, during
>>> which time it will accept responses of 1 or 2 only, and when one of
>>> those responses is received the Stim object will Terminate, going to
>>> the object in your procedure.  if no response is received the object
>>> will terminate after 3000 ms.  this should be covered somewhere near
>>> the very beginning of the Getting Started guide which comes with
>>> E-Prime...
>>>
>>> ben
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>> On Mon, Oct 31, 2011 at 12:46 PM, Marc<marclatz... at googlemail.com>
>>>  wrote:
>>>>
>>>> hi there,
>>>> I'm just starting using E-Prime (with some VB experience, though) and
>>>> was trying to do something simple as that:
>>>> There are three stimuluses ("1","2","nothing") displayed in a
>>>> TextDisplay element which is set to react on event.
>>>> Correct responses for 1 is 1, for 2 is 2 and for nothing I'd like it
>>>> to be nothing at all.
>>>> In case the stimulus is 1 or 2 the program is supposed to wait for the
>>>> user to make his input, in the "nothing" case it's supposed to wait
>>>> for 3 or so seconds and then go to the next stimulus.
>>>> I tried to solve this via VB skills and I'm absolutely stuck here...
>>>> My code:
>>>> Dim Start as Long
>>>> Dim now as Long
>>>> Start = Clock.Read
>>>> if TextDisplay1.CRESP = "" then
>>>>        do
>>>>        DoKeys "a"
>>>>        now= Clock.Read - Start
>>>>        loop until now>2000
>>>> end if
>>>> What I'm trying to do is simulating the press of some random key (a in
>>>> this case) in order to move to the next event as soon as the 2000 ms
>>>> are over (a is also among the allowable inputs in my TextDisplay). I
>>>> tried the same with SendKeys and it won't work either, it does,
>>>> though, when I press the a key manually.
>>>> What am I doing wrong?
>>>> I'm almost certain there is an easier way to do what I want to do but
>>>> unfortunately I don't seem to be able to figure out what to google/e-
>>>> basic-/eprime search.
>>>> Some help (may it be "search for xyz in abc before asking, fool")
>>>> would be greatly appreciated!!
>>>> Marc
>>>> P.S.: In case you wonder - the programs purpose is simply getting the
>>>> loop to work and then applying it to a bitter, existing e-prime file
>>>> which we want to use as a dependent variable.
>>>> --
>>>> You received this message because you are subscribed to the Google
>>>> Groups "E-Prime" group.
>>>> To post to this group, send email to e-prime at googlegroups.com.
>>>> To unsubscribe from this group, send email to
>>>> e-prime+unsubscribe at googlegroups.com.
>>>> For more options, visit this group
>>>> athttp://groups.google.com/group/e-prime?hl=en.
>
> --
> David Vinson, Ph.D.
> Senior Postdoctoral Researcher
> Cognitive, Perceptual and Brain Sciences Research Department
> University College London
> 26 Bedford Way, London WC1H 0AP
> Tel +44 (0)20 7679 5311  (UCL internal ext. 25311)
>
>
> --
> You received this message because you are subscribed to the Google Groups
> "E-Prime" group.
> To post to this group, send email to e-prime at googlegroups.com.
> To unsubscribe from this group, send email to
> e-prime+unsubscribe at googlegroups.com.
> For more options, visit this group at
> http://groups.google.com/group/e-prime?hl=en.
>
>

-- 
You received this message because you are subscribed to the Google Groups "E-Prime" group.
To post to this group, send email to e-prime at googlegroups.com.
To unsubscribe from this group, send email to e-prime+unsubscribe at googlegroups.com.
For more options, visit this group at http://groups.google.com/group/e-prime?hl=en.