repeat one of the sample of items

[Matt Lenhart]

Hi Luna,

I am not sure if this would resolve the problem, but why not include a
confirmation screen on your TrialProc so that the subject will see
what E-Prime logged as their response, and then allow them to go back
to the stimulus object to choose again if they pressed a key they
didn't mean to, changed their mind, etc? This can be handled with a
little script after the confirmation object that just checks to see
what the subject's response was, and then jumps back to a Label placed
before the stimulus object (using a Goto command) if the subject does
not confirm their response.

With the way that information is logged in E-Prime, it is not possible
to jump back to previous trials because the data for that trial has
already been logged (i.e., E-Prime logs data at the end of each
Procedure). You would either need to log the data as a new line in the
data file, or create your own external data file that could overwrite
previous trials (this would be very time consuming and error-prone).
There are ways to go back to previous trials in E-Prime, they are just
not as straightforward as telling E-Prime to re-run level X in List Y
(again, however, you would need to re-log data even if you did this).

Please let me know if you have any further questions.

- Matt
PST Technical Consultant
http://www.pstnet.com/


On Sep 18, 5:36 pm, David McFarlane <mcfar... at msu.edu> wrote:
> >if you just want to do Likert scales and are not too fussy about the
> >timing, you might try MediaLab from Empirisoft.
>
> More to the point, I believe the current version of MediaLab includes
> a specific feature for moving back one question at a time.
>
> -- David McFarlane, Professional Faultfinder
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