e prime crashes if subject presses response button twice

Thu Nov 10 13:41:07 UTC 2011

Hi everyone,

I solved the problem by adding a few additional lines in In line. In short,
the problem was that participants could respond during stimulus
presentation or in the blank after, but if they accidentally did both (by
two or more button presses one right after the other) , e -prime wouldn't
know what feedback to send. So I just defined this a little bit better and
it worked.
Thanks everyone for help!
Jas

On 9 November 2011 00:08, Peter Quain <pquain at une.edu.au> wrote:

>
> not sure how this might cause your problem, but perhaps the second press
> jumps straight out of the feedback object when it is not supposed to? Are
> fb object's properties set to do what you want, or is there a response
> allowable, and some jump action? maybe back to before the initial image
> display? If ep is somehow jumping to an image display object that has
> already run, perhaps there is no indication on that trial for another image
> to be displayed.
>
> - change response button?
> - try another computer?
>
>
> At 03:11 AM 9/11/2011, you wrote:
>
> Hi Ben,
>
> yeah, it is most sensible explanation. , I just run it once again, to make
> sure it really is not a mislabelling problem, so I let all the images I use
> and all the feedback options play out several times. After I made sure all
> of them are uploading correctly, I just pressed, as before, same response
> button twice, and sure enough- it crashed. Is it possible that for some
> reason e-prime sees it as an ImageDisplay error?
>
> Best, Jasmina
>
> On 8 November 2011 16:58, ben robinson <baltimore.ben at gmail.com > wrote:
>  i'm pretty sure, given your error message (11042: Filename on
> ImageDisplay has not been set), that it has absolutely nothing to do
> with how you are coding responses.  whichever ImageDisplay object is
> meant to onset at the moment your program is crashing has a missing or
> mis-labeled image file specified, and that ImageDisplay object crashes
> e-prime because it can't find an image file that it needs in order to
> perform its job.
>
> ben
>
> On Tue, Nov 8, 2011 at 10:50 AM, Jasmina Bakic <jasmina.bakic at gmail.com >
> wrote:
> > Hi Hester,
> >
> > yes, I think you are totally right about this one, thank you! E prime
> has to
> > give the feedback based on the correctness of the response, with three
> > options "true", "false" and "too late". The problem is, I don;t want to
> just
> > get rid of the double/triple button press answers because I am still
> > interested in knowing whether the answer was correct or not. The only in
> > line that I wrote so far was to make sure that the answers will be
> recorded
> > whether they are given during the stimulus presentation or in the blank
> > afterwards, and I don't know how to expand this to include cases where
> > button has been pressed several times, so to still record the answer and
> > give the feedback.
> >
> > Jas
> > On 7 November 2011 14:37, Hester Duffy <hester.duffy at gmail.com > wrote:
> >>
> >> It may be to do with the way your program deals with responses; I've
> dealt
> >> with an issue in the past where, if the response wasn't what e-prime was
> >> expecting, it fell into an interminable loop and then crashed. Is
> E-prime
> >> doing anything with your responses other than simply recording them? For
> >> example, is it using them to set event codes, to determine feedback, to
> >> choose the next stimulus, anything of that sort? If so, it's worth
> having a
> >> look at the bit of code that does that, and ensuring that there's a
> >> catch-all "ELSE" function, so that if the feedback is something other
> than
> >> what e-prime was expecting, it still knows what to do with it.
> >>
> >> H
> >>
> >> On Mon, Nov 7, 2011 at 12:36 PM, Jasmina Bakic <jasmina.bakic at gmail.com>
> >> wrote:
> >>>
> >>> Hi,
> >>>
> >>> Mich and Maartje, thank you for the advices and the wits. I am still
> >>> working on it …
> >>>
> >>> To answer your question, Mich, I can actually make it crash
> >>> intentionally, I just have to press one of the two possible response
> keys on
> >>> the keyboard several times,  and it crashes right away. So,
> unfortunately, I
> >>> don’t think it is the problem with pressing shift or windows button.
> >>>
> >>> My two  “ participants” report that this is, of course, totally
> >>> unintentional, and probably very difficult to control, especially
> after a
> >>> while, when you really get into the task.
> >>>
> >>> The response message that I get is : 11042: Filename on ImageDisplay
> has
> >>> not been set
> >>>
> >>> On ImageDisplay I had set the two possible responses in the Response
> >>> Options session under “allowable”...
> >>>
> >>> Jas
> >>>
> >>> On 7 November 2011 12:14, Michiel Spape <Michiel.Spape at nottingham.ac.uk
> >
> >>> wrote:
> >>>>
> >>>> Hi,
> >>>> Just to say: this one completely went over my head - you're absolutely
> >>>> right, that'd certainly crash e-prime! I doubt it's the problem here,
> >>>> though, the only one who repeatedly activates "Stickykeys" is my cat,
> who
> >>>> likes to sleep on top of my keyboard (especially when I'm trying to
> use it).
> >>>> Best,
> >>>> Mich
> >>>>
> >>>> Dr. Michiel M. Sovijärvi-Spapé
> >>>> Research Fellow
> >>>> Perception & Action group
> >>>> University of Nottingham
> >>>> School of Psychology
> >>>> www.cognitology.eu
> >>>>
> >>>>
> >>>> -----Original Message-----
> >>>> From: e-prime at googlegroups.com [ mailto:e-prime at googlegroups.com<e-prime at googlegroups.com>]
> On
> >>>> Behalf Of mrtj
> >>>> Sent: 06 November 2011 21:12
> >>>> To: E-Prime
> >>>> Subject: Re: e prime crashes if subject presses response button twice
> >>>>
> >>>> Hi Jas,
> >>>>
> >>>> Are you using a Eprime response box, or are you using the keyboard of
> >>>> your computer?
> >>>> If you are using a keyboard: When participants accidently press the
> >>>> shift button repeatedly (or some other key combinations), this will
> >>>> activate 'StickyKeys' (or other functions) in Windows and will cause
> >>>> Eprime to crash. You can deactivate these automatic key functions
> >>>> through the Control Panel > Accessibility Options > Keyboard.
> >>>> I'm not sure of this is your problem, but if so this may well help.
> >>>>
> >>>> groeten,
> >>>> Maartje
> >>>>
> >>>> On Nov 4, 5:26 pm, Jas <jasmina.ba... at gmail.com > wrote:
> >>>> > Hi everybody,
> >>>> >
> >>>> > I am trying to design an experiment on E-prime, which pretty much
> >>>> > worked except that if it happens that the subject accidentally
> presses
> >>>> > the response button more than once, or presses both response buttons
> >>>> > one right after the other, the E prime crashes and won't continue
> the
> >>>> > experiment. Being an absolute beginner, I don' t even know what
> >>>> > information you may need to be able to help me. Any help from more
> >>>> > experienced users is appreciated.
> >>>> >
> >>>> > Best regards, Jas
> >>>>
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