repeat one of the sample of items

[Paul Jackson]

Luna,

I have only had a quick glance over this thread so please ignore me if I
have missed crucial points. 

>From what I can see you just want to repeat a trial after it is run if a
given button is pressed. Is that true? Now assuming that you don't want
to keep the results from the first time couldn't you just have a goto at
the end of the trial to start it again if the given button is pressed?

Paul

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  
 Paul R. Jackson
 
 Experimental Programmer
 School of Psychology
 University of Queensland
 
 E: paulj at psy.uq.edu.au
 P: 33656950
 W: www.psy.uq.edu.au/~paulj
~~~~~~~~~~~~~~~~~~~~~~~~~~~~


> -----Original Message-----
> From: e-prime at googlegroups.com [mailto:e-prime at googlegroups.com] On
> Behalf Of David McFarlane
> Sent: Saturday, 20 September 2008 12:30 AM
> To: e-prime at googlegroups.com
> Subject: Re: repeat one of the sample of items
> 
> 
> Luna,
> 
> I gave your problem some more thought last night (once my mind
> latches on to one of these little puzzles it's hard to let it
> go).  Now I do not think that your goal is quite so impossible, and
> at the risk of boring others on the list I will give you my latest
> thoughts.
> 
> I would try putting a bit of script at the beginning and the end of
> your trial procedure.  At the end I would use a bit of script just to
> set a "flag" if I wanted to return to the previous list item.  In the
> beginning of the trial procedure I would use some script to check
> this flag -- for the sake of discussion, let's call the current trial
> "trial B", and the previous one "trial A".  If the flag were set then
> I would use List.GetPrevAttrib or whatever to set all the attributes
> back to the values from trial A, and then run the trial.  Now, I do
> not know if the list would then automatically return to trial B and
> continue from there, so that may be a problem.
> 
> There remains the problem of changing the number of trials during the
> list.  For that I would just set the list properties to exit after
> some large number of trials (say, 10,000 cycles).  Then my script at
> the end of the trial procedure would take care of figuring out when
> to end the list, and then end the list from script with
List.Terminate.
> 
> Oh, you might also look at the "Rerun Error Trials Until All Correct"
> sample at http://www.pstnet.com/e-prime/support/samples.asp (requires
> login).  From the description this does not do exactly what you want,
> as I think it defers rerunning the trials until it has finished the
> first run of all the trials, but it might give you some ideas.
> 
> I will be very interested if you make this work, so please write back
> and let us know how this turns out!
> 
> -- David McFarlane, Professional Faultfinder
> 
> 
> 

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