Questionnaire in E-Prime 1

[Ben]

David,

Thank you very much! Simple, but so easy. ;)

//Ben

On 29 Sep., 14:18, David McFarlane <mcfar... at msu.edu> wrote:
> Ben,
>
> >I use two keyboards because the first one is just for data logging, it
> >accepts 1,2,3,4 as input. The second one only accepts space and is
> >used for termination. The subject may press any number for one time,
> >every trial it has to decide how many answers are correct ranging from
> >zero correct answers two four. Afterwards it has to press the spacebar
> >to proceed. So one could press just the spacebar or 1,2,3,4 and space.
>
> >If I set the EndAction of the first keyboard to (none), the EndAction
> >of the second keyboard to terminate and set MaxCount of the first
> >keyboard to four, it terminates after the first number anyway.
>
> Ah, THAT'S where I made my mistake.  I thought you had two separate
> physical keyboards, each plugged in to a separate USB port, etc., and
> the subject pressed keys on one keyboard for the answers, then
> pressed the space bar on the second keyboard to continue.  That would
> have been a very odd setup.  Now I see that you meant two E-Prime
> Keyboard objects as part of the Input Mask of your EP response object.  Sorry.
>
> Now I see some problems, and will propose a solution.  If you don't
> care about my explanation, just skip down to my final solution.
>
> I tried this myself, set one Keyboard to Allow keys 1234, Max Count
> 4, End Action (none), and set a second Keyboard to Allow {SPACE} with
> End Action Terminate.  Everything worked fine as long as I did not
> press more than 3 number keys (and as a side effect, my E-DataAid
> file only showed the final {SPACE} as the response).  But once I
> pressed a fourth key the program hung and I had to <ctrl><alt><shift> to abort.
>
> Here is what happens:  Once the response object gets the fourth key,
> it performs its end action.  That action is "none".  So, the program
> does exactly what you told it to do, you press 4 keys and after that
> it continues to do absolutely nothing, and there is no way to break
> out of that.
>
> Here is a cheap fix:  Increase the Max Count of the first keyboard to
> 5.  Now its end action does not trigger until you press 5 keys, so it
> is safe to press 4 keys.  Of course, if someone presses 5 keys then
> it will hang again.  So increase the Max Count to 10, or whatever,
> just for safety's sake.
>
> But I think we are making this all a bit too complicated, and E-Prime
> has a better way.  So here is my final solution.
>
> Use just one keyboard input mask, Allow 1234{SPACE}, End Action
> Terminate, Max Count 5 (or 4), and Termination Response {SPACE}.  Now
> this one keyboard object will allow the subject to press up to 4 keys
> plus a {SPACE}, and will terminate the object when the subject
> presses the space bar or presses a fifth key (presumably, four
> numbers plus a {SPACE}).  If you instead set Max Count to 4, then the
> the object will terminate after the fourth key press without making
> the subject press {SPACE}, and will ensure that they only enter four
> keys.  Finally, *all* these responses will appear as one string in
> the E-DataAid file.
>
> This was a nice little puzzle, and I thank you for it.
> -- David McFarlane, Professional Faultfinder
>
> >On 26 Sep., 10:18, David McFarlane <mcfar... at msu.edu> wrote:
> > > Ben,
>
> > > >It is part of a lager test batterie. I am validating a picture anomaly
> > > >test which should measure the social cognition abilities of TLE
> > > >patients and I got in total four different tests. It would be nice to
> > > >presented them all with one program.
>
> > > Thanks, just wondered, that makes sense.  Moving on...
>
> > > Now I wonder why you use two separate keyboards, one for the numbers
> > > and one for the space bar.  Surely a single keyboard would have both
> > > numbers and a space bar, so you could do all this with one
> > > keyboard.  But let's leave that aside.
>
> > > Next, the subject presses either two keys (a number plus {SPACE}) or
> > > just one key ({SPACE}) to continue.  I assume you do this with the
> > > Advanced input mask features, by setting MaxCount to 2
> > > (Disclaimer:  I have never used this feature myself, so I am
> > > stretching here).  If you did not also set Termination Response to
> > > {SPACE}, then the subject must *always* press two keys to continue,
> > > i.e., if they press just {SPACE} then the questionaire will not
> > > continue (although it would if they pressed {SPACE} twice, give
> > that a try).
>
> > > So, you might try setting Termination Response to {SPACE}.
>
> > > That said, is there any reason they must press a number key plus the
> > > {SPACE}?  Why not continue as soon as they press the number
> > > key?  What have I missed?
>
> > > -- David McFarlane, Professional Faultfinder
>
> > > >On 25 Sep., 16:50, David McFarlane <mcfar... at msu.edu> wrote:
> > > > > Ben,
>
> > > > > >I would like to implement a questionnaire in E-Prime, but I
> > got stuck. The
> > > > > >subject has to choose zero or five answers and then proceed
> > to the next
> > > > > >part. The instructions say that the subject should press the
> > corresponding
> > > > > >numbers and then space or if none of the answers is correct
> > immediately
> > > > > >press space. I used a text-display and added two keyboards
> > as input device
> > > > > >- one for the numbers and one for the space button to terminate. My
> > > > > >problem is that e-prime just stucks and does not react when
> > pressing the
> > > > > >spacebar.
>
> > > > > Just curious -- any particular reason why you want to do this
> > > > > questionnaire in E-Prime instead of something simpler (like MediaLab,
> > > > > or even HTML)?
>
> > > > > -- David McFarlane
--~--~---------~--~----~------------~-------~--~----~
You received this message because you are subscribed to the Google Groups "E-Prime" group.
To post to this group, send email to e-prime at googlegroups.com
To unsubscribe from this group, send email to e-prime+unsubscribe at googlegroups.com
For more options, visit this group at http://groups.google.com/group/e-prime?hl=en
-~----------~----~----~----~------~----~------~--~---