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Useful books are "Best Test Design" and "Rating Scale Analysis" available from https://mmm1406.sanjose14-verio.com/rascho/books.htm
Expected and empirical ICCs
WINSTEPS, Windows-native version.
Data capacity: 9,999,999 persons by 60,000 items with rating scales up to 255 categories for each item.
Windows: Runs successfully under Windows 10, 8, 7, Vista, XP, 2000, (but not ME, NT, 98, 95, 3.1,) also runs under Fusion, Soft-PC, Virtual PC and Wine on the Mac, and Mandrake Linux 10.0 via CrossOver Office 3.1.
Hardware: Requires an Pentium 4 (released in 2000) or later
Please check compatibility by downloading and running the free student/evaluation/demo version, MINISTEP - same as Winsteps but limited to 25 items and 75 persons/cases.
Winsteps bugs, bug-fixes, changes and enhancements
Customer support policy and user comments.
Winsteps users and site license holders
Winsteps vs. Facets comparison
Free evaluation/student/demo version of WINSTEPS, called MINISTEP. Contains all features except limited to 25 items and 75 persons (cases). Please copy, distribute and use.
Free MS-DOS precursor to WINSTEPS, called BIGSTEPS. Contains most features. Runs from MS-DOS prompt. Analyzes up to 3000 items and 20000 persons (cases). Please copy, distribute and use.
Free Excel scatterplot point labeling add-in, XY Chart Labeler 97.xla developed by Rob Bovey.
Better replacements for NotePad and WordPad: freeware NotePad++ and shareware TextPad
WINSTEPS User Manual and On-Line Help
Winsteps constructs Rasch measures from simple rectangular data sets, usually of persons and items. Users report that, after initial familiarization, it is straightforward to use in combination with other software. Item types that can be combined in one analysis include dichotomous, multiple-choice, and multiple rating-scale and partial credit items. Paired comparisons and rank-order data can also be analyzed. Missing data is no problem. Winsteps is designed as a tool that facilitates exploration and communication. The structure of the items and persons can be examined in depth. Unexpected data points are identified and reported in numerous ways. Powerful diagnosis of multidimensionality through principal components analysis of residuals detects and quantifies substructures in the data. The working of rating scales can be examined thoroughly, and rating scales can be recoded and items regrouped to share rating scales as desired. Measures can be fixed (anchored) at pre-set values. Winsteps is intended for practitioners who must make practical and quick decisions along the path to constructing effective tests, and who must then communicate their results usefully to end users. The developers of Winsteps use the program daily in their own work, and are continually adding new features as a result of their own experience and feedback from users. Typical applications include educational tests, psychological assessments, attitude surveys, patient performance protocols, and calibrating adaptive-test item banks. Winsteps can process up to 9,999,999 persons, 60,000 items, and each item can have a rating, grouped-rating or partial-credit scale of up to 255 categories. Training courses are held regularly. Student/evaluation/demo versions of Winsteps, called Ministep, can be downloaded free from www.winsteps.com/ministep.htm.
Winsteps® is a registered trademark
Recent enhancements, changes and bug fixes to Winsteps.
Rasch analysis has been the IRT method of choice for moderate size data sets since 1965. Now the theoretical advantages and directly meaningful results of Rasch analysis can be easily obtained for large data sets, with the convenience of using your own standard PC.
Scores and analyzes dichotomous items, or sets of items with the same or different rating scale, partial credit, rank or count structures for up to 254 ordered categories per structure, with useful estimation of perfect scores.
Missing responses or non-administered items are no problem.
Analyze several partially linked forms in one analysis.
Analyze responses from computer-adaptive tests.
Item reports and graphical output include calibrations, standard errors, fit statistics, detailed reports of the particular improbable person responses which cause item misfit, distracter counts, and complete DOS files for additional analysis of item statistics.
Person reports and graphical output include measures, standard errors, fit statistics, detailed reports of the particular improbable item responses which cause person misfit, a table of measures for all possible complete scores, and complete DOS files for additional analysis of person statistics.
Rating scale, partial credit, rank and count structures reported numerically and graphically.
Complete output files of observations, residuals and their errors for additional analyses of differential item function and other residual analyses.
Observations listed in conjoint estimate order to display extent of stochastic Guttman order.
Options to pre-set and/or delete some or all person measures and/or item calibrations for anchoring, equating and banking, and also to pre-set rating scale step calibrations.
Winsteps is a Windows-native program,
Accepts most MSCALE, MSTEPS, BIGSCALE and BIGSTEPS data and control files without alteration.
Winsteps is not 508 VPAT compliant. The earlier MS-DOS version of Winsteps, called Bigsteps is text-only and is 508 VPAT compliant. It is now freeware.
Winsteps® is a registered trademark
Please refer to the Output Table Index section of the on-line WINSTEPS User Manual for examples of the more than 26 WINSTEPS output tables and sub-tables.
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uses original installation password
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|Multi-user site license details||Personal-circle: $499.|
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download Winsteps PDF file now
download Facets PDF file now
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State-of-the-art : single-user and site licenses : free student/evaluation versions : download immediately : instructional PDFs : user forum : assistance by email : bugs fixed fast : free update eligibility : backwards compatible : money back if not satisfied|
Rasch, Winsteps, Facets online Tutorials
|Facets Rasch measurement software.
Buy for $149. & site licenses.
Freeware student/evaluation download
Winsteps Rasch measurement software. Buy for $149. & site licenses. Freeware student/evaluation download
|State-of-the-art : single-user and site licenses : free student/evaluation versions : download immediately : instructional PDFs : user forum : assistance by email : bugs fixed fast : free update eligibility : backwards compatible : money back if not satisfied|
Rasch, Winsteps, Facets online Tutorials
|Forum||Rasch Measurement Forum to discuss any Rasch-related topic|
|Rasch Measurement Transactions (free, online)||Rasch Measurement research papers (free, online)||Probabilistic Models for Some Intelligence and Attainment Tests, Georg Rasch||Applying the Rasch Model 3rd. Ed., Bond & Fox||Best Test Design, Wright & Stone|
|Rating Scale Analysis, Wright & Masters||Introduction to Rasch Measurement, E. Smith & R. Smith||Introduction to Many-Facet Rasch Measurement, Thomas Eckes||Invariant Measurement: Using Rasch Models in the Social, Behavioral, and Health Sciences, George Engelhard, Jr.||Statistical Analyses for Language Testers, Rita Green|
|Rasch Models: Foundations, Recent Developments, and Applications, Fischer & Molenaar||Journal of Applied Measurement||Rasch models for measurement, David Andrich||Constructing Measures, Mark Wilson||Rasch Analysis in the Human Sciences, Boone, Stave, Yale|
|in Spanish:||Análisis de Rasch para todos, Agustín Tristán||Mediciones, Posicionamientos y Diagnósticos Competitivos, Juan Ramón Oreja Rodríguez|
|Winsteps Tutorials||Facets Tutorials||Rasch Discussion Groups|
|Coming Rasch-related Events|
|Nov. 4, 2016, Fri.||ORVOMS, Lexington, Ky, Mike P.|
|Nov. 11, 2016, Fri.||In-person workshop: 11th International Workshop on Rasch Models in Business Administration, Tenerife, Spain, www.ull.es|
|Dec. 7-9, 2016, Wed.-Fri.||In-person workshop: Introductory Rasch (M. Horton, RUMM), Leeds, UK, www.leeds.ac.uk/medicine/rehabmed/psychometric|
|Jan. 6 - Feb. 3, 2017, Fri.-Fri.||On-line workshop: Practical Rasch Measurement - Core Topics (E. Smith, Winsteps), www.statistics.com|
|March 31, 2017, Fri.||Conference: 11th UK Rasch Day, Warwick, UK, www.rasch.org.uk|
|May 26 - June 23, 2017, Fri.-Fri.||On-line workshop: Practical Rasch Measurement - Core Topics (E. Smith, Winsteps), www.statistics.com|
|June 30 - July 29, 2017, Fri.-Fri.||On-line workshop: Practical Rasch Measurement - Further Topics (E. Smith, Winsteps), www.statistics.com|
|Aug. 11 - Sept. 8, 2017, Fri.-Fri.||On-line workshop: Many-Facet Rasch Measurement (E. Smith, Facets), www.statistics.com|
|Aug. 18-21, 2017, Fri.-Mon.||IACAT 2017: International Association for Computerized Adaptive Testing, Niigata, Japan, iacat.org|
|Oct. 13 - Nov. 10, 2017, Fri.-Fri.||On-line workshop: Practical Rasch Measurement - Core Topics (E. Smith, Winsteps), www.statistics.com|
|Jan. 5 - Feb. 2, 2018, Fri.-Fri.||On-line workshop: Practical Rasch Measurement - Core Topics (E. Smith, Winsteps), www.statistics.com|
|Jan. 10-16, 2018, Wed.-Tues.||In-person workshop: Advanced Course in Rasch Measurement Theory and the application of RUMM2030, Perth, Australia (D. Andrich), Announcement|
|Jan. 17-19, 2018, Wed.-Fri.||Rasch Conference: Matilda Bay Club, Perth, Australia, Website|
|May 25 - June 22, 2018, Fri.-Fri.||On-line workshop: Practical Rasch Measurement - Core Topics (E. Smith, Winsteps), www.statistics.com|
|June 29 - July 27, 2018, Fri.-Fri.||On-line workshop: Practical Rasch Measurement - Further Topics (E. Smith, Winsteps), www.statistics.com|
|Aug. 10 - Sept. 7, 2018, Fri.-Fri.||On-line workshop: Many-Facet Rasch Measurement (E. Smith, Facets), www.statistics.com|
|Oct. 12 - Nov. 9, 2018, Fri.-Fri.||On-line workshop: Practical Rasch Measurement - Core Topics (E. Smith, Winsteps), www.statistics.com|
|The HTML to add "Coming Rasch-related Events" to your webpage is:|