If ... then ... I need help!

[ben robinson]

to define correctResp and trialCount go to View: Script, then click on the
tab titled, User.
in this User tab, type:
Dim correctResp as Integer
Dim trialCount as Integer

then in your procedure timeline drag a Label Object to the very beginning.
by default, this object will be called "Label1".
right after Label1 put your List Object from which you will call your trial
procedure.  by default, this will be called "List1".
inside List1 put the name of your procedure under the Procedure column.
now go to your procedure timeline.  put in a TextDisplayObject (or whatever)
to display your stimulus.  call this TextDisplayObject "Stimulus".
double click on Stimulus, go to the Duration/Input tab, add a Keyboard
response.  fill in the blank where it asks for a correct response.  if you
don't define what a correct response to the Stimulus is, our next step won't
work properly.
for the next step, drag an InLine object to the trial procedure immediately
following Stimulus.  by default, this will be called "Inline1".
in Inline1 type:
trialCount = trialCount + 1
If Stimulus.ACC = 1 Then
   correctResp = correctResp + 1
End If

now on the same level as your List1, and your Label1, put another
InlineObject ("Inline2").
in Inline2 type:
If correctResp/trialCount*100 <= 80 Then
   Goto Label1
End If

hope that helps.

On Wed, May 7, 2008 at 2:03 PM, Leila <syn_idylle at hotmail.com> wrote:

>
> Thank you very much Ben.
>
> I try this, but I'm not sure that I have completely understand. When I
> start the experiment, a message of error appear, and say that it was
> unable to defined the variable correctResp. I use the visual e-prime.
> I create list, procedure and stimuli. I would apreciate to know by
> what I should replace correctResp, trialCount, stimulus.acc and
> label1. I'm very debutant.
>
> You are very nice to help me.
>
> Leila
>
> On 7 mai, 12:49, "ben robinson" <baltimore.... at gmail.com> wrote:
> > in your user script tab:Dim trialCount as Integer
> > Dim correctResp as Integer
> >
> > then, in an inline immediately following each response (assuming here
> that
> > the response was made to an object called "Stimulus"):
> > trialCount = trialCount + 1
> > If Stimulus.ACC = 1 Then
> >    correctResp = correctResp + 1
> > End If
> >
> > then, in an inline immediately following the block of trials, calculate
> the
> > accuracy:
> > correctResp = correctResp/trialCount*100
> > If correctResp <= 80 Then Goto Label1 '(you'll need to place Label1
> before
> > the start of your block of trials.  this way, if accuracy <= 80% they
> will
> > be looped back to the beginning of the block.  otherwise, they will
> continue
> > on to the next phase.)
> >
> > something along those lines should work.  hope that helps.
> >
> > ben
> >
> >
> >
> > On Wed, May 7, 2008 at 12:05 PM, Leila <syn_idy... at hotmail.com> wrote:
> >
> > > Hi,
> >
> > > I program an experiment with e-prime for the first time. Supose that
> > > in my experiment there are 3 blocs. I should use a syntaxe for when
> > > someone has 80% of good answer and more in the second bloc, he goes to
> > > the bloc 3 , but if he doesn't has more of 80% of good answer, he
> > > should back to the bloc 1. Someone knows how I can do that?
> >
> > > Thank you very much, and sorry for my poor english
> >
> > > Leila- Masquer le texte des messages précédents -
> >
> > - Afficher le texte des messages précédents -
> >
>

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