error with response box in stop signal paradigm

[shu fang cheng]

HI, David
Thank you for your suggestion. But I already checked the device and response
object in duration/Input tab.
In one block (both with go trials and stop trials), the feedback can only
response correct for first and second trials and then other trials'
feedbacks are abnormal. This problem only happened when I use response box.
Have you seen this kind of problem before?

thank you

shu fang



2008/10/8 David McFarlane <mcfarla9 at msu.edu>

>
> Shu Fang,
>
> >I used e-prime to creat a program of stop signal paradigm. Everything
> >is good when I used keyboard to record subject's response. But the
> >feedback of response is wrong when I used response box to record data.
> >The feedback is abnormal both in go trial and stop trial. Does
> >response box can only use to record the experiment which subject has
> >to respond everytime? or I can set the program that response boc can
> >still record even without any response (in stop trial)?
>
> You have to set the input mask of your SRBox separately from the
> input mask of the keyboard.  Go to the Duration/Input tab of your
> response object, click on the SRBox device, and then edit the
> Allowable, Correct, Time Limit, and End Action as appropriate for
> your SRBox input.
>
> To repeat:  Allowable, Correct, Time Limit, and End Action do not
> just carry over when you add more input devices to a response object,
> you have to set these individually for each input device.  This is a
> feature, as it allows each input device to have different parameters
> as appropriate.
>
> Hope this helps,
> -- David McFarlane, Professional Faultfinder
>
>
> >
>

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