null response question

Chris Blais cblais at berkeley.edu
Tue Mar 11 01:17:15 UTC 2008


Are you sure you left it blank and not " "? I've done it before and it's worked
fine. I can send you the script if you'd like.

> -----Original Message-----
> From: e-prime at googlegroups.com [mailto:e-prime at googlegroups.com] On Behalf
> Of Maxfield
> Sent: Monday, March 10, 2008 2:09 PM
> To: E-Prime
> Subject: null response question
> 
> 
> I'm running a go/nogo task, and would like Eprime to score accuracy
> (ACC) as it usually does.  Things are working just fine for my "go"
> trials.  However, I'm running into a problem on "nogo" trials.  Since
> no response is logged (no button press), I have included zeros in my
> "correct response" column, but Eprime scores these as error trials.
> I've also tried leaving the "correct answer" cells blank for "nogo"
> trials, but the outcome is the same.  Any advice on how I can get
> Eprime to treat correct "nogo" trials (null responses) as correct?
> 
> Thanks in advance,
> Nathan from Tampa
> 


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