response recording during several displays

Sravani Vinapamula sravaniv at gmail.com
Thu Dec 17 18:15:48 UTC 2009


Oh... Thank you! I will definitely look at the Appendix C

On Thu, Dec 17, 2009 at 12:57 PM, David McFarlane <mcfarla9 at msu.edu> wrote:

> Indeed, that is not a bad solution, and it is the first solution that
> all my students come up with when I pose the question to them (and
> was my own first solution).  But for one thing it does seem
> kludgy:  The .RT appears sometimes in the stimulus column, sometimes
> in the mask column, and when it appears in the mask column you have
> to add in the duration of the stim.  And if you do just that, your RT
> will *not* include the time between the offset of the stimulus and
> the onset of the mask.  So to get it right when the response comes
> during the mask you would need to calculate mask.RTTime -
> stim.OnsetTime.  Whew!
>
> There has to be an easier way, and there is -- *Extended
> Input*.  Extended input cleanly, simply, and transparently takes care
> of all of this.  Please please do not overlook Appendix C.
>
> -- David McFarlane, Professional Faultfinder
>
>
> At 12/17/2009 11:32 AM Thursday, Sravani Vinapamula wrote:
> >I think you can just give the duration for the response as the sum
> >of the times of both slides.
> >
> >
> >
> >
> >On Wed, Dec 16, 2009 at 4:23 AM, Tobi
>  ><<mailto:tobias.fw at gmail.com>tobias.fw at gmail.com> wrote:
> >Hi everyone,
> >
> >I have the following, although sounding simple, hard to solve problem:
> >
> >I want to show a stimulus for x ms and then to show a mask for y ms.
> >Participants should be able to respond for the x+y ms, i.e. during two
> >displays.
> >
> >How can I do this?
> >Any hints are most welcome!
> >
> >Cheers,
> >Tobias
>
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