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html>head>meta http-equivcontent-type contenttext/html; charsetUTF-8>title>Institute for Objective Measurement/title>meta nameRobots CONTENTindex,follow>LINK relIndex typetext/html hrefhttp://www.rasch.org/index.htm>meta namegoogle-site-verification content3xFavToRNTs8FxexyzSPS1NLOGYtx7QX4tWjRVh2jPQ />script typetext/javascript>  var _gaq  _gaq || ;  _gaq.push(_setAccount, UA-19274094-2);  _gaq.push(_trackPageview);  (function() {    var ga  document.createElement(script); ga.type  text/javascript; ga.async  true;    ga.src  (https:  document.location.protocol ? https://ssl : http://www) + .google-analytics.com/ga.js;    var s  document.getElementsByTagName(script)0; s.parentNode.insertBefore(ga, s);  })();/script>meta nameviewport contentwidthdevice-width, initial-scale1>style typetext/css>@viewport{zoom: 1.0; width: extend-to-zoom;} @-ms-viewport{width: extend-to-zoom; zoom: 1.0;}/style>/head>body>font faceverdana, arial>center>img srchttp://www.rasch.org/jpg/iom.jpg width115 height48 altIOM>/center>br clearall>center>p>font size+2>Institute for Objective Measurement, Inc./font>br>font size+1>please use the mailform below./p>/center>hr aligncenter width25%>p>Welcome to the website of the IOM!  We offer you information on a wide variety of measurement programs and services.  Please click below on as many selections as you would like./p>table border0 aligncenter cellpadding10 cellspacing20>tr>td aligncenter colspan4>a hrefhttp://www.rasch.org/rasch.htm>Research Papers, Notes and Reports (full text)br> including Measurement Essentials, Popular Measurement/a>/td>/tr>tr>td aligncenter colspan4>a hrefhttp://www.rasch.org/rmt/index.htm>Rasch Measurement SIG (AERA): Rasch Measurement Transactions/a>/td>/tr>tr>td aligncenter colspan2>a hrefhttp://www.rasch.org/software.htm>Rasch Software: Freeware and Paid/a>/td>td aligncenter colspan1>a hrefhttps://www.rasch.org/books.htm>Book Sales/a>/td>td aligncenter colspan1>a hrefhttp://www.rasch.org/friendly.htm>Rasch-friendly Journals/a>/td>/tr>tr>td aligncenter>a hrefhttp://www.rasch.org/mission.htm>Mission/a>/td>td aligncenter>!a hrefhttp://www.rasch.org/vision.htm>Vision (under review)/a>/td>td aligncenter>a hrefhttp://www.rasch.org/define.htm>Definition of Measurement/a>/td>td aligncenter>a hrefhttp://www.rasch.org/board.htm>Board of Directors/a>/td>/tr>tr>td aligncenter>a hrefhttp://www.rasch.org/publish.htm>Publications/a>/td>td aligncenter>! a hrefhttp://www.rasch.org/dm/1-Proc.htm>Certification (undex review)/a>/td>td aligncenter>a hrefhttp://www.rasch.org/confer.htm>Conferencesbr>Workshops/a>/td>td aligncenter>a hrefhttp://www.rasch.org/nine.htm>Chapters/a>/td>/tr>tr>td aligncenter>a hrefhttp://www.rasch.org/speaker.htm>Speakers Bureau/a>/td>td aligncenter>a hrefhttp://www.rasch.org/consult.htm>Directory of Consultants/a>/td>td aligncenter>a hrefhttp://www.rasch.org/reach.htm>To Reach Us/a>/td>td aligncenter>a hrefhttp://www.rasch.org/look.htm>Other Places To Look/a>/td>/tr>/table>hr>!--table border0 aligncenter cellpadding10 cellspacing5>tr>td aligncenter>strong>Best Test Design and Rating Scale Analysis are now available for free download!!!/strong>/td>/tr>-->table border0 aligncenter cellpadding10 cellspacing5>tr>tr>td aligncenter> img src/BTD_RSA/covers/Best Test Design1.jpg altBest Test Design width187 height270/>/td>td aligncenter> img src/BTD_RSA/covers/Rating Scale Analysis1.jpg altRating Scale Analysis width187 height270/>/a>/td>td aligncenter> img src/BTD_RSA/covers/Making Measures1.jpg altMaking Measures width191 height270/>/a>/td>/tr>tr>td aligncenter> a href/BTD_RSA/pdf publisher/Best Test Design.pdf>Publisher PDF (181MB)/a>/td>td aligncenter> a href/BTD_RSA/pdf publisher/Rating Scale Analysis.pdf>Publisher PDF (198MB)/a>/td>td>/td>/tr>tr>td aligncenter> a href/BTD_RSA/pdf/Best Test Design.pdf>Standard PDF (81MB)/a>/td>td aligncenter> a href/BTD_RSA/pdf/Rating Scale Analysis.pdf>Standard PDF (81MB)/a>/td>td aligncenter> a href/BTD_RSA/pdf/Making Measures.pdf>Standard PDF (10MB)/a>/td>/tr>tr>td aligncenter> a href/BTD_RSA/pdf reduced size/Best Test Design.pdf>Reduced PDF (26MB)/a>/td>td aligncenter> a href/BTD_RSA/pdf reduced size/Rating Scale Analysis.pdf>Reduced PDF (26MB)/a>/td>td>/td>/tr>/table>hr>center>table border1 bgcolor#ffff99 cellpadding5>tr>td aligncenter>form stylemargin:0px; margin-top:4px; actionhttps://search.freefind.com/find.html methodget accept-charsetutf-8 target_self>input typehidden namesi value83487891>input typehidden namepid valuer>input typehidden namen value0>input typehidden name_charset_ value>input typehidden namebcd value÷>input typetext namequery size40>br>input typesubmit valuesearch www.rasch.org stylecolor:red; margin:0px; margin-top:4px;>/form>/td>/tr>/table>/center>br clearall>    p>table aligncenter border1 bgcolorwhite cellpadding5>tr>th aligncenter colspan5>Rasch-Related Resources: a hrefhttps://www.youtube.com/playlist?listPLHVfwz_Z9kZ_ZzEh-uJvjk5fe7ywqWf7s targetu>Rasch Measurement YouTube Channel/a>/th>/tr>th aligncenter width20%>a targetnew19 hrefhttps://www.rasch.org/rmt/contents.htm>font size-1>Rasch Measurement Transactions/a> &a targetnew20 hrefhttps://www.rasch.org/rasch.htm>font size-1>Rasch Measurement research papers/a> - free/font>/th>th aligncenter>a targetnew124 hrefhttps://amzn.to/3xI8xx8>font size-1>An Introduction to the Rasch Model with Examples in R/a> (eRm, etc.), Debelak, Strobl, Zeigenfuse/th>th aligncenter>a targetnew125 hrefhttps://amzn.to/3IAzTKs>font size-1>Rasch Measurement Theory Analysis in R/a>, Wind, Hua/th>th aligncenter>a targetnew52 hrefhttps://amzn.to/2BZbosP>font size-1>Applying the Rasch Model in Social Sciences Using R/a>, Lamprianou/th>th aligncenter>a targetnew52 hrefhttps://amzn.to/448MKyM>font size-1>El modelo métrico de Rasch:Fundamentación, implementación e interpretación de la medida en ciencias sociales (Spanish Edition)/a>,Manuel González-Montesinos M./th>/tr>tr>th aligncenter>a targetnew24 hrefhttps://amzn.to/38nIkqK>font size-1>Rasch Models: Foundations, Recent Developments, and Applications/a>, Fischer & Molenaar/th>th aligncenter>a targetnew17 hrefhttps://www.rasch.org/models.htm>font size-1>Probabilistic Models for Some Intelligence and Attainment Tests/a>, Georg Rasch/th>th aligncenter>a targetnew34 hrefhttps://amzn.to/2YUfzir>font size-1>Rasch Models for Measurement/a>, David Andrich/th>th aligncenter>a targetnew44 hrefhttps://amzn.to/3e0tond>font size-1>Constructing Measures/a>, Mark Wilson/th>th aligncenter width20%>a targetnew16 hrefhttps://www.rasch.org/>font size-1>Best Test Design/a> - free, Wright & Stonebr>a targetnew17 hrefhttps://www.rasch.org/>font size-1>Rating Scale Analysis/a> - free, Wright & Masters/th>/tr>tr>th aligncenter>a targetnew44 hrefhttps://amzn.to/3JTzAvZ>font size-1>Virtual Standard Setting: Setting Cut Scores/a>,  Charalambos Kollias/th>th aligncenter>font size-1>a hrefhttps://www.rasch.org/memo89_Diseno Optimode Pruebas (Best Test Design spanish translation 2019).pdf targets>Diseño de Mejores Pruebas/a> - free, Spanish i>Best Test Design/i>/a>/th>th aligncenter>a targetnew58 hrefhttps://amzn.to/3gobjO9>font size-1>A Course in Rasch Measurement Theory/a>, Andrich, Marais/th>th aligncenter>a targetnew57 hrefhttps://amzn.to/3gscI6p>font size-1>Rasch Models in Health/a>, Christensen, Kreiner, Mesba/th>th aligncenter>a targetnew51 hrefhttps://amzn.to/31ByOiC>font size-1>Multivariate and Mixture Distribution Rasch Models/a>, von Davier, Carstensen/th>/th>/tr>tr>th aligncenter colspan5>Rasch Books and Publications: Winsteps and Facets/th>/tr>tr>th aligncenter width20%>a targetnew14 hrefhttps://amzn.to/2YSq8m0>font size-1>Applying the Rasch Model/a> (Winsteps, Facets) 4th Ed., Bond, Yan, Heene/th>th aligncenter width20%>a targetnew14 hrefhttps://amzn.to/3eKIzxN>font size-1>Advances in Rasch Analyses in the Human Sciences/a> (Winsteps, Facets) 1st Ed., Boone, Staver/th>th aligncenter>a targetnew15 hrefhttps://amzn.to/44bYbnX>font size-1>Advances in Applications of Rasch Measurement in Science Education/a>, X. Liu & W. J. Boone/th>th aligncenter>a targetnew24 hrefhttps://amzn.to/3ipq7xQ>font size-1>Rasch Analysis in the Human Sciences/a> (Winsteps) Boone, Staver, Yale/th>th aligncenter>a targetnew24 hrefhttps://amzn.to/3P5T578>font size-1>Appliquer le modèle de Rasch: Défis et pistes de solution/a> (Winsteps) E. Dionne, S. Béland/th>/tr>tr>th aligncenter width20%>a targetnew16 hrefhttps://amzn.to/2YSZxVV target_blank >font size-1>Introduction to Many-Facet Rasch Measurement/a> (Facets), Thomas Eckes/th>th aligncenter width20%>a targetnew23 hrefhttps://amzn.to/3h1MfOD>font size-1>Rasch Models for Solving Measurement Problems/a> (Facets), George Engelhard, Jr. & Jue Wang/th>th aligncenter width20%>a targetnew23 hrefhttps://amzn.to/2NQXrzI>font size-1>Statistical Analyses for Language Testers/a> (Facets), Rita Green/th>th aligncenter width20%>a targetnew22 hrefhttps://amzn.to/38yUSfn>font size-1>Invariant Measurement with Raters and Rating Scales: Rasch Models for Rater-Mediated Assessments/a> (Facets), George Engelhard, Jr. & Stefanie Wind/th>th aligncenter>a targetnew45 hrefhttps://www.amazon.com.br/Aplica%C3%A7%C3%A3o-Modelo-Rasch-Trevor-Bond/dp/6550720079>font size-1>Aplicação do Modelo de Rasch (Português)/a>, de Bond, Trevor G., Fox, Christine M/th>/tr>tr>th aligncenter width20%>a targetnew22 hrefhttps://amzn.to/3JN7ap5>font size-1>Exploring Rating Scale Functioning for Survey Research/a> (R, Facets), Stefanie Wind/th>th aligncenter>a targetnew24 hrefhttps://amzn.to/2YY9HF4>font size-1>Rasch Measurement: Applications/a>, Khine/th>th aligncenter>a targetw hrefhttps://www.winsteps.com/tutorials.htm>font size-1>Winsteps Tutorials/a> - freebr>                   a targetf hrefhttps://www.winsteps.com/tutorials.htm#Facets>font size-1>Facets Tutorials/a> - free/th>th aligncenter>a targetnew31 hrefhttps://www.winsteps.com/a/Linacre-MFRM-book.pdf>font size-1>Many-Facet Rasch Measurement/a> (Facets) - free, J.M. Linacre/th>th aligncenter>a targetnew30 hrefhttps://amzn.to/2VGhB3I>font size-1>Fairness, Justice and Language Assessment/a> (Winsteps, Facets), McNamara, Knoch, Fan/th>/tr>tr>th aligncenter width20%>a targetnew22 hrefhttps://a.co/d/hKSOfaE>font size-1>Rasch Meta-Metres of Growth for Some Intelligence and Attainment Tests: A Meta-metre for some Intelligence and Attainment Tests/a>, David Andrich, Ida Marais, Sonia Sappl/th>th aligncenter>a targetnew24 href>font size-1>/a>/th>th aligncenter>a targetw href>font size-1>/a>/th>th aligncenter>a targetnew31 href>font size-1>/a>/th>th aligncenter>a targetnew30 href>font size-1>/a>/th>/tr>/table>/p>center>table border1 bgcolor#ffff99>tr>td>font colorred>form actionhttps:/www.rasch.org/cgi-local/mail.cgi methodpost>center>b>To be emailed about new material on www.rasch.orgbr>please enter your email address here:br>input typetext nameaddress size50>br>I want to b>Subscribe/b>: input typeradio nameaction valuesubscribe checked> & click belowbr>I want to b>Unsubscribe/b>: input typeradio nameaction valueremove> & click belowbr>input typesubmit valueClick here to confirm>br>i>Please set your SPAM filter to accept emails from Rasch.org/i>/center>/form>/font>/td>/tr>/table>/center> center>table border1 bgcolorblue>tr>td>font colorwhite>form actionhttps:/www.rasch.org/cgi-local/perltest-rasch.cgi methodpost>input typehidden namerecipient valuermtff@rasch.org>input typeHIDDEN namesubject valueComment on Rasch.org>input typeHIDDEN namewebsite valuewww.rasch.org>input typeHIDDEN namerequired valueComments, page>input typehidden nametitle valueThank you for your comments or questions.>p aligncenter>B>www.rasch.org welcomes your comments:/B>br>Please email inquiries about Rasch books to i>books \at/ rasch.org/i>br>TEXTAREA NAMEComments ROWS5 COLS70>/textarea>br>B>Your email address (if you want us to reply):/B>br>INPUT NAMEemail TYPEtext SIZE35>br> br>script typetext/javascript>document.write(INPUT NAMEpage TYPEhidden VALUE+document.URL+>)/script>input typesubmit nameSubmit valueSend to www.rasch.org>INPUT TYPEreset VALUEReset nameReset>/FORM>/font>/td>/tr>/table>/center> p>table aligncenter border1 bgcolor#ffff99 cellpadding10>tr>td valigncenter aligncenter bgcolorwhite>font size+2 colorblue>FORUM/font>/td>td valigncenter bgcolorwhite>a targetnew hrefhttps://raschforum.boards.net/board/1/post>Rasch Measurement Forum/a> to discuss any Rasch-related topic/td>/tr>/table>/p>div>style typetext/css>table.gridtable {font-family: verdana,arial,sans-serif; font-size:11px; color:#333333; border-width: 1px; border-color: #666666; border-collapse: collapse;}table.gridtable th { border-width: 1px; padding: 12px; border-style: solid; border-color: #666666; background-color: yellow; }table.gridtable td { border-width: 1px; padding: 12px; border-style: solid; border-color: #666666; background-color: yellow; }/style>center>table classgridtable>tr>th colspan2>b>Coming Rasch-related Events/b>/th>/tr>tr>td>Jan. 16 - Feb. 13, 2025, Fri.-Fri./td>  td>On-line workshop: Rasch Measurement - Core Topics (E. Smith, Winsteps), a targetnew13 hrefhttps://www.statistics.com/courses/rasch-measurement-core-topics/>www.statistics.com/a>/td>/tr>tr>td>Apr. 8 - Apr. 11, 2026, Wed.-Sat./td>  td>National Council for Measurement in Education - Los Angeles, CA, a targetnew13 hrefhttps://ncme.org/events/2026-annual-meeting/>ncme.org/events/2026-annual-meeting/a>/td>/tr>tr>td>Apr. 8 - Apr. 12, 2026, Wed.-Sun./td>  td>American Educational Research Association - Los Angeles, CA, a targetnew13 hrefhttps://www.aera.net/AERA2026>www.aera.net/AERA2026/a>/td>/tr>tr>td>May. 15 - June 12, 2026, Fri.-Fri./td>  td>On-line workshop: Rasch Measurement - Core Topics (E. Smith, Winsteps), a targetnew13 hrefhttps://www.statistics.com/courses/rasch-measurement-core-topics/>www.statistics.com/a>/td>/tr>tr>td>June 19 - July 25, 2026, Fri.-Sat./td>  td>On-line workshop: Rasch Measurement - Further Topics (E. Smith, Winsteps), a targetnew13 hrefhttps://www.statistics.com/courses/rasch-measurement-further-topics//>www.statistics.com/a>/td>/tr>/table>/center>br> br>/div>/body>/html>

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