Windows-based rush model analysis software designed as a tool to promote exploration and communication.
Winsteps implements two methods for estimating Rasch parameters from ordered qualitative observations: Joint Maximum Likelihood Estimation (JMLE) and the Proximal operator method (PROX). It constructs Rasch rating scales from simple rectangular datasets consisting of persons and items. It also supports Conditional Maximum Likelihood Estimation (CMLE). It offers a wide range of features, including 40 types of output tables, scores, scales, errors, and comparisons that aid in visualizing analysis results. It can export measurements, standard errors, and quality control fit statistics to Excel, SPSS, or text files for integration with other files, as well as perform principal component analysis of residuals for the multidimensionality of persons or items.
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basic information
Main Features - Support for large-scale datasets - Option to select combinations of item types (dichotomous, multiple-choice, multi-stage rating scales, and partial credit items) - Up to 32,000 categories per evaluation or other scale - Capacity: 9,999,999 people with 60,000 items Main Functions - Construction of dichotomous data and data files - Fit analysis and evaluation scales - Partial credit scale (PCM), reliability and anchoring (standard error, quality control fit statistics, etc.) - Differential item functioning (DIF) and dimensionality (uniform DIF/non-uniform DIF) - Dichotomous data analysis (missing data, interrelations, maps) - Polynomial data analysis - Investigation of test functions - Equating tests - Estimation and interactions - Anchoring Estimation Methods JMLE, PROX, WMLE, CMLE, PMLE, AMLE
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Applications/Examples of results
Educational tests (mock exams, entrance exams, etc.), awareness surveys, evaluation scale analysis, etc.
Line up（5）
| Model number | overview |
|---|---|
| Winsteps - Single user licence | License tied to a specific user |
| Winsteps - Individual-user license | License tied to any user |
| Winsteps - Personal Circle site license | License for classes or research departments (maximum number of users is 30) |
| Winsteps - Institutional site license | License for universities, companies, and organizations (unlimited number of users) |
| Winsteps - back-up CD-ROM | Option for delivery in physical package if desired |
Company information
Tegara Corporation is forming a research and development platform that integrates specialized product procurement and sales, information provision, and support services for researchers and developers nationwide. In the field of research and development, where speed holds value, it is Tegara's mission to assist our customers in accelerating their research and development efforts, thereby contributing to the advancement of research and development in Japan and around the world. To remain a strong partner for researchers and developers, our company continuously hones new technologies and strengthens our support system every day.
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