Please contact one or more of these experts directly for assistance with Rasch analysis. The amount of assistance offered
and its cost is decided by the consultant. Winsteps.com has no control over, or financial interest in, the activities of these independent consultants.
Disclaimer: Winsteps.com provides this information as a public service, with no guarantees as to the quality or price of the services offered.
| Name | Location | Email: x = @ | Software | Special expertise |
|---|---|---|---|---|
| Paola Annoni | Milan, Italy | paola.annoni x unimi.it | SAS, SPSS, Winsteps, Canoco, Systat |
Late research interests: Linear and non-linear multivariate analysis, variable scaling, Rasch models, data-mining, environmental statistics, species-abundance models, partial order theory for multi-criteria decision and Formal Concept Analysis
Italian, English |
| Avatar International, Inc. (William P. Fisher, Jr.) | Orlando, Florida, USA | Wfisher x avatar-intl.com | Winsteps, Facets, SPSS |
surveys, questionnaires, rating scales, assessments, health care,
education, sociology, qualitative-quantitative synthesis, phenomenology
English, French + capabilities in 12 more languages |
| Rita Bode | Chicago, IL | r-bode x comcast.net | Winsteps, Facets | Medical rehabilitation |
| Daniel Bogoya | Bogota, Colombia | dbogoya x yahoo.com | Winsteps, ConQuest |
Item calibration and parameters estimation
Spanish, English |
|
Bill Bonk University of Colorado at Boulder Colorado | bonk x colorado.edu | Facets, SPSS, R | Performance assessment, Survey design and analysis, growth curve models, Educational measurement English, French, Spanish, Italian, Portuguese | |
| Bill Boone | Ohio U.S.A. | wjdboone x hotmail.com | Winsteps, Bigsteps | Variable and output interpretation |
| Alan Bugbee | Chicago, IL, USA | alan.bugbee x ascp.org | Winsteps, SPSS | Psychometrics, Computer-Adaptive Testing, Computer-Based Testing, Certification & Licensure, Educational testing |
| Nestor Santillan Carpio | Lima, Peru | santillan.ng x pucp.edu.pe | Winsteps |
General psychometrics
Spanish, English. |
|
Gregory Chan Modern Educational Research Society, Ltd. Hong Kong, China | g.chan x i-cable.com | Facets, RUMM, Winsteps |
Equating; general psychometrics English, Chinese | |
| Chi-Wen Chien (Will) | Melbourne, Australia | chiwen.chien x med.monash.edu.au | Winsteps |
Rasch Measurement Analysis Chinese, English |
| Jerome D'Agostino | Ohio and Arizona | dagostino.22 x osu.edu | Winsteps, Facets |
scale/test development, equating, validity analysis English, basic Spanish |
| Eric Dionne | Montreal, Quebec, Canada | eric.dionne x umontreal.ca | Winsteps, Conquest, SPSS |
www.griemetic.ca French, English |
| Sandra Dolan | Chicago area |
sandy x psychometrician.net psychometrician x sbcglobal.net | Winsteps, SPSS | Test development and analysis, job analysis, equating, standard setting, accreditation, surveys/questionnaires, certification exams |
| Aaron Douglas | Maryland, USA | ard141 x hotmail.com | Winsteps, ACER ConQuest, Mplus, Stata, SPSS, Testfact, BilogMG, Minitab |
Psychometric theory - IRT, exploratory and confirmatory factor analysis, and structural equation models.
English, conversational Spanish. |
| Yi Du | Minnesota, United States | ydu x datarecognitioncorp.com | Winsteps, FACETS |
Measurement, Equating, Rasch models and other psychometrics
English, Chinese |
| George Engelhard | Atlanta, GA, USA | gengelh x emory.edu | Facets | Writing assessment and tests of English as a foreign language |
|
Carl Granger, Paulette Niewczyk Uniform Data System for Medical Rehabilitation and Center for Functional Assessment Research Buffalo, NY | cgranger x udsmr.org | Winsteps | Clinical (medical management) problems | |
|
Peter Grimbeek Griffith University | Brisbane, Australia | peter.judith x uq.net.au | Winsteps, SPSS | Survey item analysis; combining Rasch with classical methods to identify sub-scales |
| Julie Grondin | Montreal, Quebec, Canada | julie.grondin x umontreal.ca | Winsteps, SPSS |
Surveys/questionnaires, rating scales, IRT, Rasch measurement, psychometrics, CBT/CAT tests, evaluation French, English |
| Ning Yan Gu | Los Angeles, California | gun x usc.edu | Winsteps, SAS, Facets, MS office | English Chinese |
| Peter H. Harasym | Calgary, Alberta, Canada | Harasym x ucalgary.ca | Facets, Winsteps, Statistica | Medical Education, OSCEs, Survey/Test Construction, Certification, and Research Methods |
|
Moritz Heene Ludwig-Maximilians-University Munich Department of Psychology Psychological Methodology and Evaluation Munich, Germany | heene x psy.lmu.de | Winsteps, Facets, ConQuest, Winmira 2001, SPSS |
Psychometrics, scale/test development, educational research and evaluation, Rasch related simulation studies German, English | |
| Zongyue Her | Taiwan | zongyue1966 x yahoo.com.tw | Facets |
IRT Chinese, English |
| Zin Ibrahim | Malaysia | zin x teacher.com | Winsteps |
Marketing English, Malay |
| Mike Jabot | Fredonia, New York | jabot x fredonia.edu | Winsteps, Facets and ConQuest | Research in Science Teaching |
| So-young Jang | Urbana-Champaign, Illinois | sojang x uiuc.edu | Facets |
Educational psychology, ESL Korean, English |
| Sang-Jo Kang | Korea | sjkang x knsu.ac.kr | Facets |
Physical education
Korean, English |
| Zhang Jie | Guangdong, China | zhangjie617 x gmail.com | Facets |
ESL
Chinese, English |
| Kmetrics (Peter Congdon) | Australia | peter x kmetrics.com.au | ConQuest, Quest, RUMM2020, SPSS | www.kmetrics.com.au |
| Ute Knoch | Melbourne, Australia | uknoch x unimelb.edu.au | Facets |
Rater and rating scale analysis English and German |
| Lee Ong Kim | Singapore, Malaysia | ongkim.lee x nie.edu.sg | Winsteps |
Winsteps workshops, one-step test equating for growth measures; rating scale analysis English, Malay |
|
Livia Magalhães Federal University of Minas Gerais at Belo Horizonte State of Mina Gerais, Brazil | liviam x gcsnet.com.br | WINSTEPS |
Rehabilitation and Child Development Portuguese, English | |
| Akbariah Mohd. Mahdzir | Johor, Malaysia | akbar x citycampus.utm.my | SPSS, WINSTEPS, RUMM |
Scale development, validation English, Malay |
| Nathan Markward | Baton Rouge, LA, USA | markward x lsu.edu | Winsteps, Facets, Conquest, NOUSCAST, R, SAS, SPSS | Genomic epidemiology; population and quantitative genomics; genomic (personalized) medicine |
| Meaningful Measurement Inc. (Donna Surges Tatum) | Chicago, IL, USA | donnatatum x meaningfulmeasurement.com | Facets | www.meaningfulmeasurement.com |
| Measurement Research Associates, Inc. | Chicago, IL, USA | mlunz x MeasurementResearch.com | Winsteps, Facets | measurementresearch.com |
| Amy Mericle | Philadelphia, PA | americle x tresearch.org | Winsteps, Facets, Stata, SPSS, MPLUS | Rasch measurement development, DIF, standard setting |
| Ed Miller | Austin, Texas, USA | edmiller x austin.rr.com | Winsteps, SAS, EQS | K-12 assessment, equating practice and issues, general psychometrics |
|
Dr. Manuel Jorge Gonzalez Montesinos Universidad de Sonora (UNISON) Universidad Autonoma de Baja California (UABC) Instituto Nacional para la Evaluacion de la Educacion (INEE) Sonora, Mexico | mgm x caborca.uson.mx | WINSTEPS, FACETS |
All phases of Rasch analysis
Spanish, English | |
| Rusminah bt Musliman | Malaysia | rusminah70 x yahoo.com.my | Winsteps, SPSS |
Item analysis (Validity, Reliability, DIF) Malay, English |
|
Zoon Naqvi Center for Education Research and Evaluation Columbia University Medical Center New York, NY |
zoonaqvi x hotmail.com zn2101 x columbia.edu | Facets; Winsteps, SPSS, Lisrel, HLM | Item analysis, factor analysis, research designs | |
|
Christopher Nelson Nelson Consulting, LLC. www.nelsonconsulting.us | Denver, CO, USA | chrisnelson x nelsonconsulting.us | Winsteps, SPSS, LISREL, HLM | Rasch measurement, rating scale analysis, DIF, classical test theory, scale/test development, validity analysis, survey analysis, research and evaluation |
|
Carlos A. Pardo Universidad Católica de Colombia and Instituto Colombiano para El fomento de la Educación Superior ICFES Bogota, Colombia | cpardo x icfes.gov.co | Winsteps, Facets |
Educational and psychological assessment: test design, item development, data processing, data analysis
Spanish, English | |
|
Gerardo Prieto Facultad de Psicología Universidad de Salamanca | Salamanca, Spain | gprieto x usal.es | Winsteps |
Psychometrics
Spanish, basic Portuguese |
| Larry Price | Canyon Lake, Texas | lprice x txstate.edu | SAS, SPSS, Bilog, Parscale, Bigsteps, ConQuest, Multilog, and much more | Psychometrics |
| PsyMes Consulting, LLC (Stacie Hudgens) | Chicago, Illinois | shudgens x psymesconsulting.org | Winsteps and other Rasch software |
item and test development and validation
Sign Language and English |
| Roberto Ricci | Bologna, North Italy | ricci x irreer.it | Winsteps, SPSS |
Educational Measurement, OECD-PISA, computer adaptive testing Italian, English, German |
| Martha Rocha G. | Bogotá, Colombia | mrocha x icfes.gov.co | Winsteps |
Educational Assessment: Test
Design. Test Development. Data Analysis. Use of Outcomes. Spanish - Basic English |
|
Prof. Dr. Antonio J. Rojas Tejada Área de Metodología de las Ciencias del Comportamiento Departamento de Ciencias Humanas y Sociales Facultad de Psicología UNIVERSIDAD DE ALMERÍA 04120 Almería. España. UE. | arojas x ual.es | SPSS, Winsteps, RUMM |
Polytomous Rasch Models, scale/test development, surveys research
Spanish, English | |
| Hyunsoo Seol | Seoul, Korea | snow x cau.ac.kr | WINSTEPS, RUMM 2020 |
Rasch Measurement Korean, English |
| Roland H Simons | Brisbane, Australia | roland.simons x ardjuna.com | Winsteps, SPSS, LISREL | Survey/Test construction, psychometrics, validation, research methods, and sampling. |
| Everett V. Smith | Chicago, IL, USA | evsmith x uic.edu | Winsteps, Facets, Conquest | Measurement, Evaluation, Statistics, and Assessment |
|
Paul Squires Applied Skills & Knowledge, Inc. |
Cedar Knolls, New Jersey, USA | paul_squires x appliedskills.com | Winsteps, Facets | employee surveys, customer satisfaction surveys, employment and certification tests, training tests, performance management tools, multi-source surveys, and job analysis surveys |
| Steve Stemler | Middletown, Connecticut, USA | steven.stemler x wesleyan.edu | Winsteps, Facets, Quest | Psychometric Laboratory on Human Intelligence & Social Behavior |
| Kari Tormakangas | Finland | kari.tormakangas x ktl.jyu.fi | Winsteps, Facets, Bilog and many other statistical programs |
Item analysis, educational methods Finnish, Swedish, German, English |
| Gary C. Townsend | Johannesburg, South Africa | gary x apsincsa.com | Winsteps | Personality Assessment & Ability Test Design, General Psychometrics |
|
Agustin Tristan Instituto de Evaluacion e Ingenieria Avanzada Mexico (offices in El Salvador, Colombia and Panama) |
ici_kalt x yahoo.com ici1 x prodigy.net.mx | Winsteps, AMOS,HLM,KALT |
Survey and Test construction for education, nursing and health areas. Psychometrics and biostatistics, validation, research methods, and sampling. Rasch from beginners. Classical test theory. Spanish, French, Italian, English | |
| Kuo-chang Wang | Taipei, Taiwan | wangkc x ntnu.edu.tw | winsteps, facets, sas, spss, lisrel, eqs |
Biostat
Chinese, English |
| Edward W. Wolfe | Blacksburg, VA, USA | edwolfe x vt.edu | Winsteps, Facets, Conquest | Educational Research and Evaluation (Measurement) |
| Chong Ho Yu (Alex) | Phoenix, Arizona | chonghoyu x gmail.com | Winsteps, Bilog, RUMM, SAS, JMP, DataDesk |
IRT, item bank
Chinese, English |
| Aminawati Zahara Bt Mohamad | Malaysia | aminawati74 x yahoo.co.uk | Winsteps, SPSS |
IRT, Item analysis (validity, DIF) English and Malay |
To nominate yourself for this directory, please use the comment form below and provide the information for each column.
| There are lists of Rasch practitioners at: |
|---|
| Rasch Measurement SIG: www.raschsig.org/members.html |
| Rasch United Kingdom: www.rasch.org.uk/users free registration, then click on "Rasch Users" |
Go to Top of Page
Go to Winsteps & Facets home Page
For more information, contact
Rasch measurement software and publications
by e-mail using the comment form above.
Our current URL is www.winsteps.com
Winsteps, PO Box 811322, Chicago IL 60681-1322, USA
Tel. & FAX (312) 264-2352
The URL of this page is www.winsteps.com/consult.htm