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Hi, Stephane,<br>
<br>
I never worked out arrays either, but I did something a lot like this.
I would embed another list under Correct and Incorrect that allowed as
many other values as you like. Say for Correct you have +900 +700 +500
+300 & +100. That is five different values. Embed a list under
Correct called CorrectValues, for example. To do this, you put the name
of the list in brackets in the list you already have, so it looks like
this: [CorrectValues]. CorrectValues will have 5 different rows &
the variable [Value] must match what is on your screen. So the screen
that shows that value will say [Value] not [Correct]. You can rearrange
these names any way you want to, but the name of the variable that
matches the screen will be the same as in the embedded list, if you are
following me.<br>
<br>
To be sure that the cow is always worth whatever value that it picks
for the same subject, say every time the cow appears you win $500, have
the embedded list pick based on subject number. This might result in
every fifth subject getting the same pair of + & - numbers, though.
I'm not sure. Maybe someone else could help with that part.<br>
<br>
Hope this helps,<br>
<br>
Leisha<br>
<br>
De Brito, Stephane wrote:<br>
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<div class="Section1">
<p class="MsoNormal"><font face="Arial" size="2"><span
style="font-size: 10pt; font-family: Arial;" lang="IT">Dear E-prime
experts,<o:p></o:p></span></font></p>
<p class="MsoNormal"><font face="Arial" size="2"><span
style="font-size: 10pt; font-family: Arial;" lang="IT"><o:p> </o:p></span></font></p>
<p class="MsoNormal"><font face="Arial" size="2"><span
style="font-size: 10pt; font-family: Arial;">I am working on a task in
which the participant is presented
with pairs of picture on the screen. I have 10 different pictures and
each
picture is associated with a reinforcement value which stays the same
throughout the experiment (e.g. the cup always wins you 900 points and
the cow always looses you 900 points). On each trial, the participant
has to
choose one of the two pictures presented (press ‘q’ for left hand
side picture and ‘p’ for right hand side picture) and win has many
points has he can. The reinforcement values are +900 +700 +500 +300
+100 -100
+300 +500 +700 +900. Sometimes the participant is presented with 2
pictures
associated with punishment (pun-pun trials) and has to choose the one
associated with the lowest punishment (i.e. scored as correct); on
pun-rew
trials the rew is scored as correct and on rew-rew trials the pictures
with
highest reinforcement value is scored as correct. <o:p></o:p></span></font></p>
<p class="MsoNormal"><font face="Arial" size="2"><span
style="font-size: 10pt; font-family: Arial;"><o:p> </o:p></span></font></p>
<p class="MsoNormal"><font face="Arial" size="2"><span
style="font-size: 10pt; font-family: Arial;">The task is running fine,
but I would like to change across participants
the reinforcement contingency for each picture so that, for example,
not every participant
wins 900 point when they choose the cup. At the moment, I have the
following
attributes in my listobject:<o:p></o:p></span></font></p>
<p class="MsoNormal"><font face="Arial" size="2"><span
style="font-size: 10pt; font-family: Arial;"><o:p> </o:p></span></font></p>
<table class="MsoTableGrid"
style="border: medium none ; border-collapse: collapse;" border="1"
cellpadding="0" cellspacing="0">
<tbody>
<tr>
<td
style="border: 1pt solid windowtext; padding: 0cm 5.4pt; width: 71pt;"
valign="top" width="95">
<p class="MsoNormal"><font face="Arial" size="2"><span
style="font-size: 10pt; font-family: Arial;">Picture1<o:p></o:p></span></font></p>
</td>
<td
style="border-style: solid solid solid none; border-color: windowtext windowtext windowtext -moz-use-text-color; border-width: 1pt 1pt 1pt medium; padding: 0cm 5.4pt; width: 71pt;"
valign="top" width="95">
<p class="MsoNormal"><font face="Arial" size="2"><span
style="font-size: 10pt; font-family: Arial;">Picture2<o:p></o:p></span></font></p>
</td>
<td
style="border-style: solid solid solid none; border-color: windowtext windowtext windowtext -moz-use-text-color; border-width: 1pt 1pt 1pt medium; padding: 0cm 5.4pt; width: 71pt;"
valign="top" width="95">
<p class="MsoNormal"><font face="Arial" size="2"><span
style="font-size: 10pt; font-family: Arial;">Slidestate<o:p></o:p></span></font></p>
</td>
<td
style="border-style: solid solid solid none; border-color: windowtext windowtext windowtext -moz-use-text-color; border-width: 1pt 1pt 1pt medium; padding: 0cm 5.4pt; width: 76.8pt;"
valign="top" width="102">
<p class="MsoNormal"><font face="Arial" size="2"><span
style="font-size: 10pt; font-family: Arial;">CorrectAnswer<o:p></o:p></span></font></p>
</td>
<td
style="border-style: solid solid solid none; border-color: windowtext windowtext windowtext -moz-use-text-color; border-width: 1pt 1pt 1pt medium; padding: 0cm 5.4pt; width: 123.8pt;"
valign="top" width="165">
<p class="MsoNormal"><font face="Arial" size="2"><span
style="font-size: 10pt; font-family: Arial;">Correct<o:p></o:p></span></font></p>
</td>
<td
style="border-style: solid solid solid none; border-color: windowtext windowtext windowtext -moz-use-text-color; border-width: 1pt 1pt 1pt medium; padding: 0cm 5.4pt; width: 126pt;"
valign="top" width="168">
<p class="MsoNormal"><font face="Arial" size="2"><span
style="font-size: 10pt; font-family: Arial;">Incorrect<o:p></o:p></span></font></p>
</td>
</tr>
<tr>
<td
style="border-style: none solid solid; border-color: -moz-use-text-color windowtext windowtext; border-width: medium 1pt 1pt; padding: 0cm 5.4pt; width: 71pt;"
valign="top" width="95">
<p class="MsoNormal"><font face="Arial" size="2"><span
style="font-size: 10pt; font-family: Arial;">cup.bmp<o:p></o:p></span></font></p>
</td>
<td
style="border-style: none solid solid none; border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-width: medium 1pt 1pt medium; padding: 0cm 5.4pt; width: 71pt;"
valign="top" width="95">
<p class="MsoNormal"><font face="Arial" size="2"><span
style="font-size: 10pt; font-family: Arial;">cow.bmp<o:p></o:p></span></font></p>
</td>
<td
style="border-style: none solid solid none; border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-width: medium 1pt 1pt medium; padding: 0cm 5.4pt; width: 71pt;"
valign="top" width="95">
<p class="MsoNormal"><font face="Arial" size="2"><span
style="font-size: 10pt; font-family: Arial;">1<o:p></o:p></span></font></p>
</td>
<td
style="border-style: none solid solid none; border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-width: medium 1pt 1pt medium; padding: 0cm 5.4pt; width: 76.8pt;"
valign="top" width="102">
<p class="MsoNormal"><font face="Arial" size="2"><span
style="font-size: 10pt; font-family: Arial;">q<o:p></o:p></span></font></p>
</td>
<td
style="border-style: none solid solid none; border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-width: medium 1pt 1pt medium; padding: 0cm 5.4pt; width: 123.8pt;"
valign="top" width="165">
<p class="MsoNormal"><font face="Arial" size="2"><span
style="font-size: 10pt; font-family: Arial;">You have won 900 points<o:p></o:p></span></font></p>
</td>
<td
style="border-style: none solid solid none; border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-width: medium 1pt 1pt medium; padding: 0cm 5.4pt; width: 126pt;"
valign="top" width="168">
<p class="MsoNormal"><font face="Arial" size="2"><span
style="font-size: 10pt; font-family: Arial;">You have lost 900 points<o:p></o:p></span></font></p>
</td>
</tr>
<tr>
<td
style="border-style: none solid solid; border-color: -moz-use-text-color windowtext windowtext; border-width: medium 1pt 1pt; padding: 0cm 5.4pt; width: 71pt;"
valign="top" width="95">
<p class="MsoNormal"><font face="Arial" size="2"><span
style="font-size: 10pt; font-family: Arial;">car.bmp<o:p></o:p></span></font></p>
</td>
<td
style="border-style: none solid solid none; border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-width: medium 1pt 1pt medium; padding: 0cm 5.4pt; width: 71pt;"
valign="top" width="95">
<p class="MsoNormal"><font face="Arial" size="2"><span
style="font-size: 10pt; font-family: Arial;">spoon.bmp<o:p></o:p></span></font></p>
</td>
<td
style="border-style: none solid solid none; border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-width: medium 1pt 1pt medium; padding: 0cm 5.4pt; width: 71pt;"
valign="top" width="95">
<p class="MsoNormal"><font face="Arial" size="2"><span
style="font-size: 10pt; font-family: Arial;">3<o:p></o:p></span></font></p>
</td>
<td
style="border-style: none solid solid none; border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-width: medium 1pt 1pt medium; padding: 0cm 5.4pt; width: 76.8pt;"
valign="top" width="102">
<p class="MsoNormal"><font face="Arial" size="2"><span
style="font-size: 10pt; font-family: Arial;">q<o:p></o:p></span></font></p>
</td>
<td
style="border-style: none solid solid none; border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-width: medium 1pt 1pt medium; padding: 0cm 5.4pt; width: 123.8pt;"
valign="top" width="165">
<p class="MsoNormal"><font face="Arial" size="2"><span
style="font-size: 10pt; font-family: Arial;">You have lost 300 points<o:p></o:p></span></font></p>
</td>
<td
style="border-style: none solid solid none; border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-width: medium 1pt 1pt medium; padding: 0cm 5.4pt; width: 126pt;"
valign="top" width="168">
<p class="MsoNormal"><font face="Arial" size="2"><span
style="font-size: 10pt; font-family: Arial;">You have lost 500 points<o:p></o:p></span></font></p>
</td>
</tr>
</tbody>
</table>
<p class="MsoNormal"><font face="Arial" size="2"><span
style="font-size: 10pt; font-family: Arial;">Etc…<o:p></o:p></span></font></p>
<p class="MsoNormal"><font face="Arial" size="2"><span
style="font-size: 10pt; font-family: Arial;"><o:p> </o:p></span></font></p>
<p class="MsoNormal"><font face="Arial" size="2"><span
style="font-size: 10pt; font-family: Arial;">Basically, I would like
to keep the pairing for my
attributes ‘Correct’ and ‘Incorrect’ the same, but I
want to change across participants the pairing in my ‘Picture 1’
and ‘Picture 2’ attributes. I hope I made myself clear. From the
e-prime manual and discussion with colleagues, it seems that the best
way to do
this would be with an ‘array’, but I have not managed to work it
out yet. Any idea on how to achieve this would be greatly appreciated.
Many
thanks.<o:p></o:p></span></font></p>
<p class="MsoNormal"><font face="Arial" size="2"><span
style="font-size: 10pt; font-family: Arial;"><o:p> </o:p></span></font></p>
<p class="MsoNormal"><font face="Arial" size="2"><span
style="font-size: 10pt; font-family: Arial;">Best wishes,<o:p></o:p></span></font></p>
<p class="MsoNormal"><font face="Arial" size="2"><span
style="font-size: 10pt; font-family: Arial;">Stephane <o:p></o:p></span></font></p>
<p class="MsoNormal"><font face="Arial" size="2"><span
style="font-size: 10pt; font-family: Arial;"><o:p> </o:p></span></font></p>
<p class="MsoNormal"><font face="Courier New" size="2"><span
style="font-size: 10pt; font-family: "Courier New";">------------------------------------------</span></font><o:p></o:p></p>
<p class="MsoNormal"><font face="Courier New" size="2"><span
style="font-size: 10pt; font-family: "Courier New";">Stephane De
Brito, PhD student<o:p></o:p></span></font></p>
<p class="MsoNormal"><st1:place w:st="on"><st1:PlaceType w:st="on"><font
face="Courier New" size="2"><span
style="font-size: 10pt; font-family: "Courier New";">Institute</span></font></st1:PlaceType><font
face="Courier New" size="2"><span
style="font-size: 10pt; font-family: "Courier New";"> of <st1:PlaceName
w:st="on">Psychiatry</st1:PlaceName></span></font></st1:place><font
face="Courier New" size="2"><span
style="font-size: 10pt; font-family: "Courier New";"><o:p></o:p></span></font></p>
<p class="MsoNormal"><font face="Courier New" size="2"><span
style="font-size: 10pt; font-family: "Courier New";">King's College <st1:City
w:st="on"><st1:place w:st="on">London</st1:place></st1:City><o:p></o:p></span></font></p>
<p class="MsoNormal"><font face="Courier New" size="2"><span
style="font-size: 10pt; font-family: "Courier New";">Forensic Mental
Health Science Department </span></font><o:p></o:p></p>
<p class="MsoNormal"><st1:address w:st="on"><st1:Street w:st="on"><font
face="Courier New" size="2"><span
style="font-size: 10pt; font-family: "Courier New";">Box</span></font></st1:Street><font
face="Courier New" size="2"><span
style="font-size: 10pt; font-family: "Courier New";"> P023</span></font></st1:address><font
face="Courier New" size="2"><span
style="font-size: 10pt; font-family: "Courier New";"> </span></font><o:p></o:p></p>
<p class="MsoNormal"><font face="Courier New" size="2"><span
style="font-size: 10pt; font-family: "Courier New";">De Crespigny Park
</span></font><o:p></o:p></p>
<p class="MsoNormal"><font face="Courier New" size="2"><span
style="font-size: 10pt; font-family: "Courier New";">Denmark Hill </span></font><o:p></o:p></p>
<p class="MsoNormal"><st1:City w:st="on"><st1:place w:st="on"><font
face="Courier New" size="2"><span
style="font-size: 10pt; font-family: "Courier New";">London</span></font></st1:place></st1:City><font
face="Courier New" size="2"><span
style="font-size: 10pt; font-family: "Courier New";">
SE5 8AF</span></font><o:p></o:p></p>
<p class="MsoNormal"><st1:country-region w:st="on"><st1:place
w:st="on"><font face="Courier New" size="2"><span
style="font-size: 10pt; font-family: "Courier New";">United Kingdom</span></font></st1:place></st1:country-region><font
face="Courier New" size="2"><span
style="font-size: 10pt; font-family: "Courier New";"><o:p></o:p></span></font></p>
<p class="MsoNormal"><font face="Courier New" size="2"><span
style="font-size: 10pt; font-family: "Courier New";">Tel: + 44 (0) 20
7848 0711<o:p></o:p></span></font></p>
<p class="MsoNormal"><font face="Courier New" size="2"><span
style="font-size: 10pt; font-family: "Courier New";">Fax: + 44 (0) 20
7848 0754<o:p></o:p></span></font></p>
<p class="MsoNormal"><font face="Courier New" size="2"><span
style="font-size: 10pt; font-family: "Courier New";">website: </span></font><font
face="Courier New" size="2"><span
style="font-size: 10pt; font-family: "Courier New";" lang="IT"><a
href="www.iop.kcl.ac.uk"><span lang="EN-GB">www.iop.kcl.ac.uk</span></a></span></font><font
face="Courier New" size="2"><span
style="font-size: 10pt; font-family: "Courier New";"><o:p></o:p></span></font></p>
<p class="MsoNormal"><font face="Times New Roman" size="3"><span
style="font-size: 12pt;"><o:p> </o:p></span></font></p>
</div>
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