voice-over and time beam

[Spape, Michiel]

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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