Digest for e-prime at googlegroups.com - 2 Messages in 1 Topic

[Jaeyong Lee]

If I am understanding your experiment correctly, there is an easier way to
do it in e-prime.

Assuming that you want to do a go-nogo task with two go stimulus,

setup a list with a target property column with a, b, and c (c being the *
nothing* nogo stimulus).

Make a column with the correct response (corr).  Assign a for a, b for b,
and *nothing *for c.

Set [corr] as your correct response for the target object.

Now the correct response for c would be to not press anything (nogo). Set
the target object duration as 3000 ms.

Hope this helps.

- Jay


On Tue, Nov 1, 2011 at 5:14 AM, <e-prime at googlegroups.com> wrote:

>   Today's Topic Summary
>
> Group: http://groups.google.com/group/e-prime/topics
>
>    - Simulating Keypress (beginners question)<#1335e9fe9b6ee641_group_thread_0>[2 Updates]
>
>   Simulating Keypress (beginners question)<http://groups.google.com/group/e-prime/t/6a124a72e8e43a19>
>
>    Marc <marclatz885 at googlemail.com> Oct 31 09:46AM -0700
>
>    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.
>
>
>
>
>    ben robinson <baltimore.ben at gmail.com> Oct 31 01:24PM -0400
>
>    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
>
>
>
>
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