[R] using R for a reaction-time experiment

Ioannis Dimakos idimakos at upatras.gr
Sun Jul 22 21:47:46 CEST 2007


Have you tried DMDX instead of R? And then feed the reaction times
collected by DMDX to R for manipulation?

IKD

===================
On Κυρ, Ιούλιος 22, 2007 20:55, Seth Roberts wrote:
>
> I'm using Windows XP unfortunately.
>
>

> Ted.Harding wrote:
>>
>> On 22-Jul-07 16:38:02, Seth Roberts wrote:
>>>
>>> I want to use R to run a reaction-time experiment:
>>> Something appears on the screen, I respond by typing something
>>> (one keystroke), the system measures the speed of my response.
>>> R would be great for this if only I didn't have to hit Enter
>>> to enter that keystroke. I am doing such experiments now but
>>> they require two actions per trial: hit keystroke, hit Enter.
>>>
>>> Is there some way that R can be made to respond to a single
>>> keystroke (other than Enter)?
>>
>> What operating system are you using? If it's Linux, there would
>> be ways to detect the keystroke (say "A") and immediately send
>> "A\n" (i.e. "A" followed by "enter") to a FIFO which R could be
>> watching. Then R would receive your single keystroke as if you
>> had followed it by pressing "Enter".
>>
>> If you're using Windows, then unfortunately I haven't a clue.
>>
>> Best wishes,
>> Ted.
>>
>> --------------------------------------------------------------------
>> E-Mail: (Ted Harding) <ted.harding at nessie.mcc.ac.uk>
>> Fax-to-email: +44 (0)870 094 0861
>> Date: 22-Jul-07                                       Time: 18:11:43
>> ------------------------------ XFMail ------------------------------
>>
>> ______________________________________________
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>> PLEASE do read the posting guide
>> http://www.R-project.org/posting-guide.html
>> and provide commented, minimal, self-contained, reproducible code.
>>
>>
>
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> ______________________________________________
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> PLEASE do read the posting guide
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> and provide commented, minimal, self-contained, reproducible code.
>


-- 
Ioannis C. Dimakos, Ph.D.
University of Patras
Department of Elementary Education
Patras, GR-26500 GREECE
http://www.elemedu.upatras.gr/dimakos/
http://thedailyblahblah.wordpress.com/



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