Winsteps & Facets Comparison
| Feature | Winsteps | Facets |
|---|---|---|
| Typical data | Multiple choice tests, true-false items, attitude surveys | Rated performances, sports competitions, paired comparisons |
| Data layout | Rectangular: persons & items, 2-facet | 2-facet; 3-facet: persons, items, judges; 4-facet: persons, items, judges, occasions; 5- to 255- facets; one-facet: paired comparisons; and more... |
| Data capacity | 9,999,999 persons by 60,000 items | 999,999+ persons+items+judges+... |
| Reporting | 30+ major tables, files, plots, graphs | 8+ major tables, files, plots, graphs |
| Conceptualization & Interpretation | Simpler | More complex |
| Rasch Models | Dichotomous, Andrich Rating-Scale, Masters' Partial Credit, Glas Success (Steps), Linacre Failure (Steps) | Dichotomous, Andrich Rating-Scale, Masters' Partial Credit, Poisson, Binomial Trials |
| Advice | Use Winsteps if possible, e.g., paired comparisons, judged performance | Use Facets if Winsteps won't do the job |
"Monozukuri" (Japanese) = Craftsmanship
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