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Ultimatum Game with faces

  • midnightking
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4 years 8 months ago #205750 by midnightking
Ultimatum Game with faces was created by midnightking
My colleagues and I are trying to create an Ultimatum task, similar to the one in that sci-hub.se/https://doi.org/10.1093/brain/awv315paper , wherein for each trial a face of a different category flashes before a financial offer is presented to a participant. Both the offers and face must be random, but the sequence ( face followed by offer followed by participant answer) must remain the same. We should be able to know which face preceded the offers.



Is there a script or some other way to achieve this ?
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  • Joffm
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4 years 8 months ago #205751 by Joffm
Replied by Joffm on topic Ultimatum Game with faces
Well, shouldn't be too harfd.

But you have to explain:
You say faces and offers are at random.
Faces, no problem.
But offers? Are there fixed offers, that are displayed randomly?
Or - as I saw in your link (which nobody will read) - is each offer independent and only distributes $10 randomly?

So, if you create groups with one face and one offer, you display randomly by "group randomization name" and the offer e.g. by random number(s) and microtayloring.
But depends on your explanation and hopefully a sample as lss export.

Joffm
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The following user(s) said Thank You: DenisChenu
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4 years 8 months ago #205763 by DenisChenu
Replied by DenisChenu on topic Ultimatum Game with faces

Joffm wrote: (which nobody will read)

True :+1: :)
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4 years 8 months ago #205796 by Joffm
Replied by Joffm on topic Ultimatum Game with faces
Well, here an idea
1. For each face create a group (all groups get the same "group randomization name")
2. In each group create a question of type equation where you generate a random number between 5 and 9
E.g.: {if(is_empty(G1rand),rand(5,9),G1rand)}
3. Create a question of type list(radio) or "Yes/No" with this question text (source code mode) and adapted to names, explanation and random number.
Code:
<div id="d1"><img alt="" src="/limesurvey/upload/surveys/123456/images/Face001.jpg" /></div>
 
<div id="d2">Alice has lost her job</div>
 
<div id="d3">Alice gets ${G1rand}, you get ${10-G1rand}
<p> </p>
Do you accept or reject?</div>
<script type="text/javascript" charset="utf-8">
$(document).ready(function(){
    $('#ls-button-submit').hide();
    $("#d2").hide();
    $("#d3").hide();
    $(".answer-container").hide();
  setTimeout(function () {
               $('#d1').hide();
               $('#d2').show();
  }, 4500);
  setTimeout(function () {
               $('#d2').hide();
               $('#d3').show();
           $(".answer-container").show();
                 $('#ls-button-submit').show();
  }, 8000);
 
});
</script>
As you see the first div, the image, is shown for 4,5 seconds, everything else is hidden.
The the image is hidden and the second div, the explanation ("Alice lost her job"), is shown for 3,5 seconds.
And at last this explanation is hidden and the third div, the question, and the answer container and the next button are shown.

And the result you may display in a next question of type "text display".

Nevertheless, you should show us a bit more than the article.

Joffm





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4 years 8 months ago #205909 by midnightking
Replied by midnightking on topic Ultimatum Game with faces
Sorry, for the late reply and thank you. The offers are fixed.

Is there a way to do it in a single group?

I have posted the lss file for and the lsg file for the UG group below,
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4 years 8 months ago #205910 by midnightking
Replied by midnightking on topic Ultimatum Game with faces

File Attachment:

File Name: limesurvey...7896.lss
File Size:1,133 KB

File Attachment:

File Name: limesurvey..._248.lsg
File Size:11 KB
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