voice-over and time beam

Fri Mar 13 12:10:58 UTC 2009

First of all thanks a lot for these fast answers! We are very glad to
know our ideas are possible but we had a hard time understanding your
answers,since we only have ( very) limited experience with E-prime
( and all other computer applications). We will first explain our test
in more detail en would like you to review the answers and possibly
explain each step in detail. We will be most gratefull.

We uploaded a screen shot of our test stucture, so you can get a
bether idea of our test:

http://www.keepandshare.com/photo/view.php?u=308779

Acountname: chipuva
Password: chipuva

As we described in our first message we would like to know how to add
two features to our test:

1. In the first 5  'text display' slides we would like to add a voice
over text. As described by Michiel Spapé we need to add a voice-over
as a sound sub-object. Could you explain us how to do this?

2. During the 'RealTest' ( Blocklist) we would like to ad a time beam.
As you can see, we have just one trail wich will be repeated 9 times.
In each trail the patient will react on 5 stimuli (so in total 45
stimuli will be presented to the patients).Is this possible and if
so , how?

We would like to thank in advance,

Bas and Oisin

On 12 mrt, 21:51, ben robinson <baltimore.... at gmail.com> wrote:
> one more thing.if you'd like a visible "time beam" you could perform
> basically the same calculation at the end of each trial as described by
> michiel (CurrentTrial/TotalTrials), but multiply that product by, say, the
> screen width.  then send that value to your running list, and have a
> TextObject imbedded in a SlideObject that pulls its width value from the
> running list.  so, you'd need to add a column to the List that runs your
> trials, and call the column "TimeBeam".  then at the end of each trial
> update the value you want for the width of the TimeBeam TextObject.
>
> CONST TotalTrials = 288 'put this in the user tab
> Dim CurrentTrial as Integer 'put this in the user tab
> Dim BeamWidth as Integer 'put this in the user tab
>
> 'in the Slide presenting your trial screen have a TextObject devoted
> strictly to being your TimeBeam, and set the value for width for this
> TextObject to [TimeBeam] so that it pulls this value from the List...
>
> 'in an Inline at the end of each trial:
> CurrentTrial = CurrentTrial+1
> BeamWidth = CurrentTrial/TotalTrials*Display.XRes
> c.SetAttrib "TimeBeam", BeamWidth
>
> On Thu, Mar 12, 2009 at 12:12 PM, Spape, Michiel
> <MSp... at fsw.leidenuniv.nl>wrote:
>
>
>
> > Hi Bas,
> > 1. Just record (windows sound recorder, for example) your voice saying the
> > instruction and add the wav resulting from that as a sound sub-object to the
> > slide with the instruction. Or, just tell them - it's always best to let a
> > person be there and instruct the participant, so you can be more sure that
> > they understand it. Never underestimate how difficult your experiment may
> > appear to your participants, and take your time: possibly, the best way is
> > to let your participant repeat in their own words what they have to do.
>
> > 2. If you have, say, 288 trials in your experiment, add some text-display
> > in your trial, calling it, for example, Intertrialinterval (that is, i'd
> > suggest adding this to your feedback, but in the absence of that, this may
> > sometimes do). Declare an integer variable in the user script (e.g. Alt+5,
> > then write: 'dim trialcounter as integer') and add an inline object just
> > before the intertrialinterval and write something like:
> > trialcounter = trialcounter + 1
> > Intertrialinterval.text = "You have succesfully completed " & (trialcounter
> > / 288) * 100 & " % of the experiment, only " & " 288 - trialcounter & "
> > trials to go!"
>
> > Hope that helps.
> > Best,
> > Mich
>
> > ________________________________
>
> > Van: e-prime at googlegroups.com namens Bas en Oisin
> > Verzonden: do 12-3-2009 17:03
> > Aan: E-Prime
> > Onderwerp: voice-over and time beam
>
> > Dear Pro`s with E-Prime!
>
> > My name is Bas Hartel en together with Oisin Bugter we do research at
> > the University of Amsterdam. We are two medecine students. We measure
> > the reaction time of patient with a very simple e-prime experiment. We
> > have althought two questions:
>
> > First of all, we have severall slides with the explanation of the test
> > for the patient. To be sure that the information is well understood we
> > would like to put a voice-over together with the slides. Is this
> > possible with E-prime?And if yes, could anyone please explain to us
> > how to do it?
>
> > Then we would like to add a time beam. The test being very boring, the
> > patient have an idea how long it will take to finish it.
>
> > I hope you can provide me with some answers,
>
> > greetings,
>
> > Bas and Oisin
>
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