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<p class=MsoNormal><font size=2 color=blue face="Times New Roman"><span
style='font-size:10.0pt;color:blue'>That is also my point.&nbsp; Scales have to
be unpacked even if the combination one appears to be unidimensional.<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 color=blue face="Times New Roman"><span
style='font-size:10.0pt;color:blue'><o:p>&nbsp;</o:p></span></font></p>

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<p class=MsoNormal><font size=2 color=blue face="Times New Roman"><span
style='font-size:10.0pt;color:blue'>My best,</span></font><font color=blue><span
style='color:blue'><o:p></o:p></span></font></p>

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style='font-size:10.0pt;color:blue'><br>
<st1:place w:st="on"><st1:PlaceName w:st="on">Michael</st1:PlaceName> <st1:PlaceName
 w:st="on">Lamport</st1:PlaceName> <st1:PlaceType w:st="on">Commons</st1:PlaceType></st1:place>,
Ph.D.<br>
Assistant Clinical Professor<br>
Department of Psychiatry<br>
<st1:place w:st="on"><st1:PlaceName w:st="on">Harvard</st1:PlaceName> <st1:PlaceName
 w:st="on">Medical</st1:PlaceName> <st1:PlaceType w:st="on">School</st1:PlaceType></st1:place><br>
<st1:place w:st="on"><st1:PlaceName w:st="on">Beth</st1:PlaceName> <st1:PlaceName
 w:st="on">Israel</st1:PlaceName> <st1:PlaceName w:st="on">Deaconess</st1:PlaceName>
 <st1:PlaceName w:st="on">Medical</st1:PlaceName> <st1:PlaceType w:st="on">Center</st1:PlaceType></st1:place><o:p></o:p></span></font></p>

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<p class=MsoNormal><st1:Street w:st="on"><st1:address w:st="on"><font size=2
  color=blue face="Times New Roman"><span style='font-size:10.0pt;color:blue'>234
  Huron Avenue</span></font></st1:address></st1:Street><font size=2 color=blue><span
style='font-size:10.0pt;color:blue'><o:p></o:p></span></font></p>

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<p class=MsoNormal><st1:place w:st="on"><st1:City w:st="on"><font size=2
  color=blue face="Times New Roman"><span style='font-size:10.0pt;color:blue'>Cambridge</span></font></st1:City><font
 size=2 color=blue><span style='font-size:10.0pt;color:blue'>, <st1:State
 w:st="on">MA</st1:State> <st1:PostalCode w:st="on">02138-1328</st1:PostalCode></span></font></st1:place><br>
<font size=2 color=blue><span style='font-size:10.0pt;color:blue'><a
href="mailto:commons@tiac.net">commons@tiac.net</a><br>
<a href="http://www.dareassociation.org/">http://www.dareassociation.org/</a><br>
617-497-5270 Telephone</span></font><font color=blue><span style='color:blue'><o:p></o:p></span></font></p>

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<p class=MsoNormal><font size=2 color=blue face="Times New Roman"><span
style='font-size:10.0pt;color:blue'>617-320-0896&nbsp; Cellular<br>
617-491-5270&nbsp; Facsimile</span></font><o:p></o:p></p>

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face="Times New Roman"><span 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 style='font-size:10.0pt;
font-family:Tahoma;font-weight:bold'>From:</span></font></b><font size=2
face=Tahoma><span 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>Paul Barrett<br>
<b><span style='font-weight:bold'>Sent:</span></b> Thursday, November 08, 2007
5:41 PM<br>
<b><span style='font-weight:bold'>To:</span></b> rasch@acer.edu.au<br>
<b><span style='font-weight:bold'>Subject:</span></b> RE: [Rasch] Models of
unidimensionalconstructshavetheirlimitations:what is a &quot;good thing&quot;?</span></font><o:p></o:p></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>

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

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

<div class=MsoNormal align=center style='text-align:center'><font size=2
face=Arial><span style='font-size:10.0pt;font-family:Arial'>

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

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

<p class=MsoNormal style='margin-bottom:12.0pt'><b><font size=2 face=Tahoma><span
style='font-size:10.0pt;font-family:Tahoma;font-weight:bold'>From:</span></font></b><font
size=2 face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma'>
Stephanou, Andrew [mailto:Stephanou@acer.edu.au] <br>
<b><span style='font-weight:bold'>Sent:</span></b> Friday, November 09, 2007
11:32 AM<br>
<b><span style='font-weight:bold'>To:</span></b> Paul Barrett<br>
<b><span style='font-weight:bold'>Cc:</span></b> rasch@acer.edu.au<br>
<b><span style='font-weight:bold'>Subject:</span></b> RE: [Rasch] Models of
unidimensional constructshavetheirlimitations:what is a &quot;good thing&quot;?</span></font><font
size=2 face=Arial><span style='font-size:10.0pt;font-family:Arial'><o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 color=blue face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:blue'>&nbsp;</span></font><font size=2
color=black face="Book Antiqua"><span style='font-size:11.0pt;font-family:"Book Antiqua";
color:black'><o:p></o:p></span></font></p>

<p style='margin:0in;margin-bottom:.0001pt'><font size=2 color=blue
face="Book Antiqua"><span style='font-size:11.0pt;font-family:"Book Antiqua";
color:blue'>For what concerns temperature, the definitions you mention are text
book definitions that refer to&nbsp;simple and specific contexts. I do not know
why you also mention heat. Heat is not temperature. The best I can do for you
is to refer you to a paper about the meaning of temperature and how poorly it
is understood by physics teachers.<o:p></o:p></span></font></p>

<p style='margin:0in;margin-bottom:.0001pt'><font size=2 color=blue
face="Book Antiqua"><span style='font-size:11.0pt;font-family:"Book Antiqua";
color:blue'><a
href="http://scitation.aip.org/vsearch/servlet/VerityServlet?KEY=PHTEAH&amp;possible1=Baierlein%2C+Ralph&amp;possible1zone=author&amp;maxdisp=25&amp;smode=strresults&amp;aqs=true">Ralph
Baierlein</a>, <em><i><font face="Book Antiqua"><span style='font-family:"Book Antiqua"'>The
meaning of temperature</span></font></i></em>, Physics Teacher, <b><span
style='font-weight:bold'>28</span></b>, 94 (1990)&nbsp;(<a
href="http://scitation.aip.org/tpt/">http://scitation.aip.org/tpt/</a>)</span></font><font
size=2 color=blue face=Arial><span style='font-size:10.0pt;font-family:Arial;
color:blue'><o:p></o:p></span></font></p>

<p style='margin:0in;margin-bottom:.0001pt'><font size=2 color=blue face=Arial><span
style='font-size:10.0pt;font-family:Arial;color:blue'>&nbsp;</span></font><font
size=2 color=black face="Book Antiqua"><span style='font-size:11.0pt;
font-family:"Book Antiqua";color:black'><o:p></o:p></span></font></p>

<p style='margin:0in;margin-bottom:.0001pt'><font size=2 color=blue face=Arial><span
style='font-size:10.0pt;font-family:Arial;color:blue'>&nbsp;<o:p></o:p></span></font></p>

</blockquote>

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

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

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>I only mentioned Heat to show how the definition of
temperature involves two other constructs, heat and energy - not that they are
definitional of it (being fair to the &quot;complexity&quot; issue)</span></font><o:p></o:p></p>

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

<p style='margin:0in;margin-bottom:.0001pt'><font size=2 color=blue
face="Book Antiqua"><span style='font-size:11.0pt;font-family:"Book Antiqua";
color:blue'>I do not understand why you wrote that &quot;neuropsychological
test results are affected by multiple factors, but usually age and education
are the only variables by which norms are stratified&quot;.</span></font><font
size=2 face="Book Antiqua"><span style='font-size:11.0pt;font-family:"Book Antiqua"'>
</span></font><font size=2 face=Arial><span style='font-size:10.0pt;font-family:
Arial'><o:p></o:p></span></font></p>

<p style='margin:0in;margin-bottom:.0001pt'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'>&nbsp;<o:p></o:p></span></font></p>

<p style='margin:0in;margin-bottom:.0001pt'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'>I didn't. That was the abstract to
the paper, I provided it in my message only to show how these authors used that
term &quot;reading ability&quot;.<o:p></o:p></span></font></p>

<p style='margin:0in;margin-bottom:.0001pt'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'>&nbsp;<o:p></o:p></span></font></p>

<p style='margin:0in;margin-bottom:.0001pt'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'>Regards .. Paul<o:p></o:p></span></font></p>

<p style='margin:0in;margin-bottom:.0001pt'><font size=3 face="Times New Roman"><span
style='font-size:12.0pt'>&nbsp;<o:p></o:p></span></font></p>

<div>

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

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