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<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Don,<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p>&nbsp;</o:p></span></font></p>

<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Sounds like you are dealing with a
situation where cumulative models such as Rasch will not work. My PhD was on
unfolding so if you could give me a better idea of what you are working on I
may be able to help you.<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p>&nbsp;</o:p></span></font></p>

<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>There are unfolding models for rating scale,
dichotomous and pairwise preference data.<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p>&nbsp;</o:p></span></font></p>

<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Cheers,<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p>&nbsp;</o:p></span></font></p>

<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Andrew<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p>&nbsp;</o:p></span></font></p>

<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p>&nbsp;</o:p></span></font></p>

<div>

<p class=MsoNormal><st1:PersonName w:st="on"><font size=4 color=navy
 face=Arial><span lang=EN-US style='font-size:14.0pt;font-family:Arial;
 color:navy'>Andrew Kyngdon</span></font></st1:PersonName><font size=4
color=navy face=Arial><span lang=EN-US style='font-size:14.0pt;font-family:
Arial;color:navy'>, PhD</span></font><font size=4 color=navy><span lang=EN-US
style='font-size:14.0pt;color:navy'><o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 color=navy face=Arial><span lang=EN-US
style='font-size:10.0pt;font-family:Arial;color:navy'>Senior Research Scientist</span></font><font
size=2 color=navy><span lang=EN-US style='font-size:10.0pt;color:navy'><o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 color=navy face=Arial><span lang=EN-US
style='font-size:10.0pt;font-family:Arial;color:navy'>MetaMetrics, Inc.</span></font><font
size=2 color=navy><span lang=EN-US style='font-size:10.0pt;color:navy'><o:p></o:p></span></font></p>

<p class=MsoNormal><st1:Street tabIndex="0"
style="BACKGROUND-POSITION: left bottom; BACKGROUND-IMAGE: url(res://ietag.dll/#34/#1001); BACKGROUND-REPEAT: repeat-x"
w:st="on"><st1:address tabIndex="0"
 style="BACKGROUND-POSITION: left bottom; BACKGROUND-IMAGE: url(res://ietag.dll/#34/#1001); BACKGROUND-REPEAT: repeat-x"
 w:st="on"><font size=2 color=navy face=Arial><span lang=EN-US
  style='font-size:10.0pt;font-family:Arial;color:navy'>1000 Park Forty Plaza
  Drive</span></font></st1:address></st1:Street><font size=2 color=navy><span
lang=EN-US style='font-size:10.0pt;color:navy'><o:p></o:p></span></font></p>

<p class=MsoNormal><st1:place tabIndex="0"
style="BACKGROUND-POSITION: left bottom; BACKGROUND-IMAGE: url(res://ietag.dll/#34/#1001); BACKGROUND-REPEAT: repeat-x"
w:st="on"><st1:City tabIndex="0"
 style="BACKGROUND-POSITION: left bottom; BACKGROUND-IMAGE: url(res://ietag.dll/#34/#1001); BACKGROUND-REPEAT: repeat-x"
 w:st="on"><font size=2 color=navy face=Arial><span lang=EN-US
  style='font-size:10.0pt;font-family:Arial;color:navy'>Durham</span></font></st1:City><font
 size=2 color=navy face=Arial><span lang=EN-US style='font-size:10.0pt;
 font-family:Arial;color:navy'> <st1:State tabIndex="0"
 style="BACKGROUND-POSITION: left bottom; BACKGROUND-IMAGE: url(res://ietag.dll/#34/#1001); BACKGROUND-REPEAT: repeat-x"
 w:st="on">NC</st1:State> <st1:PostalCode w:st="on">27713</st1:PostalCode> <st1:country-region
 tabIndex="0"
 style="BACKGROUND-POSITION: left bottom; BACKGROUND-IMAGE: url(res://ietag.dll/#34/#1001); BACKGROUND-REPEAT: repeat-x"
 w:st="on">USA</st1:country-region></span></font></st1:place><font size=2
color=navy><span lang=EN-US style='font-size:10.0pt;color:navy'><o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 color=navy face=Arial><span lang=EN-US
style='font-size:10.0pt;font-family:Arial;color:navy'>Tel. 1 919&nbsp;354 3473</span></font><font
size=2 color=navy><span lang=EN-US style='font-size:10.0pt;color:navy'><o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 color=navy face=Arial><span lang=EN-US
style='font-size:10.0pt;font-family:Arial;color:navy'>Fax. 1 919 547 3401</span></font><font
color=navy><span lang=EN-US style='color:navy'><o:p></o:p></span></font></p>

<div>

<p class=MsoNormal><font size=2 color=navy face=Arial><span lang=EN-US
style='font-size:10.0pt;font-family:Arial;color:navy'>3rd International
Conference in Rasch measurement,<o:p></o:p></span></font></p>

</div>

<div>

<p class=MsoNormal><font size=2 color=navy face=Arial><span lang=EN-US
style='font-size:10.0pt;font-family:Arial;color:navy'>January 22-24 2008,
Perth, Australia<o:p></o:p></span></font></p>

</div>

<div>

<p class=MsoNormal><font size=2 color=navy face=Arial><span lang=EN-US
style='font-size:10.0pt;font-family:Arial;color:navy'><a
href="http://www.education.uwa.edu.au/__data/page/115936/Rasch_conference_v12.pdf">http://www.education.uwa.edu.au/__data/page/115936/Rasch_conference_v12.pdf</a><o:p></o:p></span></font></p>

</div>

<div>

<p class=MsoNormal><font size=2 color=navy face=Arial><span lang=EN-US
style='font-size:10.0pt;font-family:Arial;color:navy'>&nbsp;<o:p></o:p></span></font></p>

</div>

<div>

<p class=MsoNormal><font size=2 color=navy face=Arial><span lang=EN-US
style='font-size:10.0pt;font-family:Arial;color:navy'>&nbsp;</span></font><font
size=2 face=Arial><span lang=EN-US style='font-size:10.0pt;font-family:Arial'><o:p></o:p></span></font></p>

</div>

</div>

<div>

<div class=MsoNormal align=center style='text-align:center'><font size=3
face="Times New Roman"><span lang=EN-US style='font-size:12.0pt'>

<hr size=2 width="100%" align=center tabindex=-1>

</span></font></div>

<p class=MsoNormal><b><font size=2 face=Tahoma><span lang=EN-US
style='font-size:10.0pt;font-family:Tahoma;font-weight:bold'>From:</span></font></b><font
size=2 face=Tahoma><span lang=EN-US style='font-size:10.0pt;font-family:Tahoma'>
rasch-bounces@acer.edu.au [mailto:rasch-bounces@acer.edu.au] <b><span
style='font-weight:bold'>On Behalf Of </span></b>Agustin Tristan<br>
<b><span style='font-weight:bold'>Sent:</span></b> Tuesday, August 28, 2007
9:43 AM<br>
<b><span style='font-weight:bold'>To:</span></b> Donald Bacon; -Rasch<br>
<b><span style='font-weight:bold'>Subject:</span></b> Re: [Rasch] unfolding
models and Rasch</span></font><span lang=EN-US><o:p></o:p></span></p>

</div>

<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><o:p>&nbsp;</o:p></span></font></p>

<div>

<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>Hello, I'm wondering if a rating scale could be useful for that. The
idea you have seems to me very similar to a Likert scale, where you focus on
the category where you agree.<o:p></o:p></span></font></p>

</div>

<div>

<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>Hope it helps.<o:p></o:p></span></font></p>

</div>

<div>

<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>Agustin<br>
<br>
<b><i><span style='font-weight:bold;font-style:italic'>Donald Bacon
&lt;dbacon@du.edu&gt;</span></i></b> wrote:<o:p></o:p></span></font></p>

</div>

<blockquote style='border:none;border-left:solid #1010FF 1.5pt;padding:0in 0in 0in 4.0pt;
margin-left:3.75pt;margin-top:5.0pt;margin-bottom:5.0pt'>

<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>Hi Raschers -<br>
<br>
I'm working with a scale wherein respondents read a scenario and then rate how
similar each of several statements are to their own way of thinking about the
scenario. In this way we hope to locate where each respondent is on a latent
trait called reflective judgment, as well as calibrate each of the statements.<br>
<br>
It occurs to me, however, that this is not like a common Rasch analysis. For
example, a respondent at a level 4 on a 7 level latent trait will rate both a
level 1 statement and a level 7 statement as being highly dissimilar to his or
her way of thinking. Thus, response probabilities do not increase monotonically
with respondent ability. Would some type of unfolding model work better? Or is
there some way to model this in Rasch?<br>
<br>
<br>
<br>
Thanks for any insight you might have -<br>
<br>
<br>
<br>
Don Bacon<br>
<br>
Associate Professor of Marketing<br>
<br>
<st1:place w:st="on"><st1:PlaceName w:st="on">Daniels</st1:PlaceName> <st1:PlaceType
 w:st="on">College</st1:PlaceType></st1:place> of Business<br>
<st1:place w:st="on"><st1:PlaceType w:st="on">University</st1:PlaceType> of <st1:PlaceName
 w:st="on">Denver</st1:PlaceName></st1:place><br>
dbacon@du.edu, 303-871-2707<br>
_______________________________________________<br>
Rasch mailing list<br>
Rasch@acer.edu.au<br>
http://mailinglist.acer.edu.au/mailman/listinfo/rasch<o:p></o:p></span></font></p>

</blockquote>

<p class=MsoNormal style='margin-bottom:12.0pt'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'><br>
<br>
<o:p></o:p></span></font></p>

<div>

<p class=MsoNormal><strong><b><font size=3 color="#0000bf"
face="Times New Roman"><span style='font-size:12.0pt;color:#0000BF'>FAMILIA DE
PROGRAMAS KALT. </span></font></b></strong><o:p></o:p></p>

</div>

<div>

<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>Mariano Jiménez 1830 A <o:p></o:p></span></font></p>

</div>

<div>

<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>Col. Balcones del Valle <o:p></o:p></span></font></p>

</div>

<div>

<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>78280, <st1:State w:st="on"><st1:place w:st="on">San Luis Potosí</st1:place></st1:State>,
S.L.P. México <o:p></o:p></span></font></p>

</div>

<div>

<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>TEL (52) 44-4820 37 88, 44-4820 04 31 <o:p></o:p></span></font></p>

</div>

<div>

<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>FAX (52)&nbsp;44-4815 48 48 <o:p></o:p></span></font></p>

</div>

<div>

<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>web page (in Spanish AND ENGLISH): <strong><b><font color="#c00000"
face="Times New Roman"><span style='color:#C00000'>http://www.ieesa-kalt.com</span></font></b></strong><o:p></o:p></span></font></p>

</div>

<p><font size=3 face="Times New Roman"><span style='font-size:12.0pt'>  <o:p></o:p></span></font></p>

<div class=MsoNormal align=center style='text-align:center'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'>

<hr size=1 width="100%" align=center>

</span></font></div>

<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>Be a better Heartthrob. <a
href="http://us.rd.yahoo.com/evt=48255/*http:/answers.yahoo.com/dir/_ylc=X3oDMTI5MGx2aThyBF9TAzIxMTU1MDAzNTIEX3MDMzk2NTQ1MTAzBHNlYwNCQUJwaWxsYXJfTklfMzYwBHNsawNQcm9kdWN0X3F1ZXN0aW9uX3BhZ2U-?link=list&amp;sid=396545433">Get
better relationship answers </a>from someone who knows.<br>
Yahoo! Answers - Check it out. <o:p></o:p></span></font></p>

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