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.
Some of these consultants are available on a full-time basis.
| Name |
Location |
Email: |
Software |
Special expertise |
|---|
|
Kamarul Ariffin Ahmad |
Malaysia |
kamarulariffin.a85@gmail.com |
Quest |
IRT, Item Analysis (dichotomous & polytomous), English and Malay
|
|
Nikolaus Bezruczko |
Chicago/Rome |
Nbezruczko@msn.com |
Winsteps/Facets |
Theory-based test models, automatic item generation, linear measurement
|
|
Daniel Bogoya |
Bogota, Colombia |
dbogoya@yahoo.com |
Winsteps, ConQuest |
Item calibration and parameters estimation
Spanish, English
|
|
William Boone |
Cincinnati, Ohio |
boonewjd@gmail.com |
Winsteps |
Variable and output interpretation
Introductory, Intermediate, Advanced Workshops in English and German |
|
Eric Dionne |
Montreal, Quebec, Canada |
eric.dionne@umontreal.ca |
Winsteps, Conquest, SPSS |
French, English
|
|
Sandra Dolan |
Chicago area |
sandy@psychometrician.net
psychometrician@sbcglobal.net |
Winsteps, SPSS |
www.psychometrician.net
Test and certification exam development and analysis, job task analysis, standard setting, NCCA accreditation, surveys/questionnaires
|
|
George Engelhard |
Atlanta, GA, USA |
gengelh@emory.edu |
Facets |
Writing assessment and tests of English as a foreign language |
|
William P. Fisher, Jr. |
Sausalito, California, USA |
wpfisherjr@livingcapitalmetrics.com
|
Winsteps, Facets, SPSS, TextPad |
LivingCapitalMetrics.com
surveys, questionnaires, rating scales, assessments, multifaceted designs, construct mapping, theory,
and specification equations; qualitative-quantitative synthesis, sustainable development
English, French
|
Dr. Manuel Jorge Gonzalez-Montesinos M.
Universidad de Sonora (UNISON)
Universidad Autonoma de Baja California (UABC)
Instituto Nacional para la Evaluacion de la Educacion (INEE)
Sonora, Mexico |
mgm@caborca.uson.mx |
WINSTEPS, FACETS | All phases of Rasch analysis
Spanish, English |
|
Julie Grondin |
Quebec, Canada |
docimetrique@gmail.com |
Winsteps, Facets, Rumm2030, SPSS, R |
www.docimetrique.ca
Rasch measurement, educational measurement, Script Concordance Tests, surveys/questionnaires, rating scales, item formulation, general data analysis
French, English
|
|
Wencheng Hu |
Guangdong, China |
wencheng.h@qq.com |
Winsteps, Facets, R, Python, SPSS |
Rasch/IRT Analytics and Reporting
Chinese, English |
|
Mike Jabot |
Fredonia, New York |
jabot@fredonia.edu |
Winsteps, Facets and ConQuest |
Research in Science Teaching
|
|
Himal Kandel |
Sydney, Australia |
drhimalkandel@gmail.com |
Winsteps |
Rasch analysis; Development and validation of the health-related quality of life measures.
|
|
Elaheh Khorasani |
Canada |
Elahe.khorasani90@gmail.com |
RUMM2030, SPSS |
Rasch analysis, Development of patient-reported outcome measurements, Health economics and outcomes research
|
|
Ute Knoch |
Melbourne, Australia |
uknoch@unimelb.edu.au |
Facets |
Rater and rating scale analysis
English and German |
|
Mingyang Liu |
Toledo, Ohio, USA |
ming8678@gmail.com |
Winsteps/Facets/SPSS/R |
scale/test development, educational research and measurement, Rasch models
English/Chinese |
Measurement Incorporated
(Craig Deville) |
Chicago, IL, USA |
cdeville@measinc.com |
Winsteps, Facets |
www.measurementinc.com |
|
Mark H. Moulton |
Vancouver, Washington |
pythiasconsulting@gmail.com |
Winsteps, Facets, SPSS, NOUS, Python |
Program evaluation, assessment, equating, personality profiling, knowledge discovery, multidimensional datasets, NOUS algorithms, custom applications.
www.eddata.com/resources/publications/
|
Carlos A. Pardo Adames
Universidad Catòlica de Colombia
|
Bogotà, Colombia
|
capardo@ucatolica.edu.co
carantpar@gmail.com
|
Winsteps, Facets, Amos, ConQuest
|
Evidence Center Test Design, Educational Assessment, Measurement, Test-scale development, Suicide Ideation Assessment
|
Gerardo Prieto
Facultad de Psicología
Universidad de Salamanca
|
Salamanca, Spain |
gprieto@usal.es |
Winsteps, Facets |
Psychometrics, scale/test development
Psychological and neuropsychological assessment.
Writing assessment and tests of Spanish as a foreign language.
Spanish, English
|
|
Larry Price |
Canyon Lake, Texas |
lprice@txstate.edu |
SAS, SPSS, Bilog, Parscale, Bigsteps, ConQuest, Multilog, and much more |
Psychometrics, Bayesian IRT, Testlet Response Theory, DIF, Certification/Licensure Testing
|
|
Gustavo Reinoso, Ph.D., OTR/L |
Buenos Aires, Argentina & Drake University, Des Moines, IA. USA |
gustyot@gmail.com |
Winsteps & RUMM2030 |
Measurement, Evaluation, Statistics, and Assessment. Rasch analysis. Spanish, English. Instrument construction, development and analysis. |
|
|
Kenneth Royal |
Raleigh, NC |
kdroya2@yahoo.com
|
Winsteps, SPSS |
Surveys/questionnaires; instrument validation studies; test/exam scoring (certification/licensure, education); assessment and evaluation studies
|
|
Randall Schumacker |
University of Alabama |
rschumacker@ua.edu |
Winsteps, Facets |
Rasch Measurement (Binary, Partial Credit, Rating Scale Analysis), Computer Adaptive Testing, Assessment, Surveys, Tests, Training Evaluation, Program Evaluation
|
|
Hyunsoo Seol |
Seoul, Korea |
snow@cau.ac.kr |
WINSTEPS, RUMM 2020 |
Rasch Measurement
Korean, English |
|
Everett V. Smith |
Chicago, IL, USA |
evsmith@uic.edu |
Winsteps, Facets, Conquest |
Measurement, Evaluation, Statistics, and Assessment |
Alberto Manuel Torreblanca Villavicencio
Jefe Área Técnica
Centro de Medición, Evaluación y Certificación -CMEC
Pontificia Universidad Católica del Perú - PUCP
Lima, Peru |
alberto@torreblanca.pe
alberto.torreblanca@pucp.pe |
Winsteps, Facets, JMetrik, R |
Survey and Test development and analysis. Equating. DIF analysis. Sample design. Rasch family models. Classical Test Theory. Spanish and English. |
Agustin Tristan
Instituto de Evaluacion e Ingenieria Avanzada
Mexico (offices in El Salvador, Colombia and Panama) |
ici_kalt@yahoo.com |
Winsteps, AMOS,HLM,KALT |
Psychometrics and biostatistics. Research methods (quantitative and qualitative), sampling techniques (sample size, power analysis, adaptive sampling), Item banking, DIF and equating. Scale development. Test and item validation, pilot and operational testing.
Survey and test construction for education, psychology, social and health areas.
Rasch from beginners (advanced analysis and applications of anchoring and misfit). IRT and Classical test theory for test and item analysis (Validity, objectivity, reliability).
Spanish, French, Italian, English, Portuguese |
|
Kuo-chang Wang |
Taipei, Taiwan |
wangkc@ntnu.edu.tw |
winsteps, facets, sas, spss, lisrel, eqs |
Biostat
Chinese, English
|
|
Dr Julie Winstanley |
Sydney, Australia |
julie@whitewinstanley.com |
RUMM2030 and SPSS (preliminary PCA's) |
Development and testing of robust psychometric instruments (particularly Health related QOL) through all phases (development of items, piloting and field testing new instruments)
whitewinstanley.com
|
