using old task on new computers

Kirill kirillf5 at gmail.com
Fri Apr 16 18:35:31 UTC 2010


Thanks a lot David. your advice is greatly appreciated

On Apr 17, 3:01 am, David McFarlane <mcfar... at msu.edu> wrote:
> Stock reminder:  1) I do not work for PST.  2) PST's trained staff
> takes any and all questions athttp://support.pstnet.com/e%2Dprime/support/login.asp, and they
> strive to respond to all requests in 24-48 hours (although latest
> reports indicate more like 10 days) -- this is pretty much their
> substitute for proper documentation, so make full use of it.  3) If
> you do get an answer from PST Web Support, please extend the courtesy
> of posting their reply back here for the sake of others.
>
> That said, here is my take ...
>
> Well, it would be an *extremely* poor software design that made
> timing dependent on processor speed, and I have no reason to suspect
> PST of such poor design.  Furthermore, using various versions of
> E-Prime on various generations of computers and Windows for over a
> decade, I have never seen any timing issues dependent on processor
> speed (other than timing delays needed to produce complex stimuli,
> but that cannot be helped).  As far as I can tell E-Prime properly
> uses a variety of independent high-resolution clocks built into
> Windows machines.
>
> But ultimately you should not take my word or anyone else's word for
> this.  You should simply run some timing tests for yourself
> (preferably using an external time reference such as an oscilloscope)
> and convince yourself one way or another.  That is a good exercise
> and sound policy in any case.
>
> -- David McFarlane, Professional Faultfinder
> "You got to test that piece of software, You got to test it for yourself,
> No one else can test it for you, You got to test it for yourself."
> (Apologies to the Fairfield Four)
>
> At 4/16/2010 12:22 PM Friday, you wrote:
>
> >i am very new to using e-prime and have a task that involves
> >presentation of visual stimuli on the screen that was given to me by a
> >researcher that used it in 2001. i am wondering if the speed of
> >presentation of stimuli is controlled by the code or will it be
> >affected by the increased speed of the computers that i will be using
> >it on.
>
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