Missed responses when using touch screen

[Leisha Wharfield]

Is it a timing issue? Maybe the subject is responding before the screen 
is fully refreshed, or before ePrime recognizes it as such?

Leisha

Sean O'Malley wrote:

> Has anyone run into issues where a touch screen (3M MicroTouch 
> capacitive CRT) in mouse emulation mode 'drops' subject responses?  I 
> am finding that eprime occasionally does not detect a touch, even when 
> the meaty part of the finger is very firmly used on the touch screen 
> surface.
>
> So far, I have not been able to narrow this down to any specific 
> action on the part of the subject, other than obvious cases where the 
> subject is using the fingernail instead of fingertip.  But even in my 
> own testing, where I am very careful to use the fingertip, eprime 
> seems to miss one in every 30 or 40 responses.
>
> Thanks,
>
> --------------
> Sean O'Malley
> Ohio University
>
>