PARSCALE

PARSCALE 4 - IRT Scaling, Item Analysis, and Scoring or Rating Scale Data Eiji Muraki, Darrell Bock Click here to see a comparison of all Analysis Programs This most versatile of all IRT rating-scale programs now includes adjustments for differences in rater severity. PARSCALE 4 now includes: DIF of rating scale items Handles up to 15 categories User options for Samejima’s graded response model generalized to rating scales or Master’s partial credit model with or without discriminating power parameters. Allows mixtures of rating scale items and multiple-choice items with or without guessing. Handles multiple subtests and weighted combinations of subtest scores. Previously only available as DOS software, the programs have been updated to the current Windows operating systems: 98, NT, 2000, ME, and XP. Extensive online Help has been added, covering almost completely the newly edited book that combines all four programs in one volume. Annotated program input and output can be found throughout the online Help system and the new manual. A graphic module adds item characteristic curves, item information curves, and test information curves to PARSCALE. The plots may be saved in the Windows Metafile format (WMF) and are then easily included in applications such as MS Word. The flexibility and the wealth of information provided by this program have kept it in regular use by researchers around the world Some Features of PARSCALE 4 One, two, and three-parameter logistic models Samejima's model for graded responses Master's partial credit model Generalized partial credit model Analysis of rating scale items such as open-ended essay questions Analysis of multiple-choice items Differential item functioning (DIF) Analysis of mixtures of item types Rater's-effect analysis Multiple-group polytomous item response models Presentation quality IRT graphics, can be imported in to Word, Access, etc. Detailed online HELP documentation including syntax and examples. Printed Manuals Parscale software includes a PDF file of the complete user’s manual. Printed copies of the manual, IRT from SSI, are available for $45. Books about Item Response Theory and Related Methods Applications of Item Response Theory to Practical Testing Problems Differential Item Functioning Essays on Item Response Theory Explanatory Item Response Models Fundamentals of Item Response Theory Handbook of Modern Item Response Theory Introduction to Nonparametric Item Response Theory Item Response Theory for Psychologists Item Response Theory: Parameter Estimation Techniques Item Response Theory: Principles and Applications Test Scoring The EM Algorithm and Related Statistical Models Non-Academic Licenses The prices shown below are for academic research licenses only. If you are not on the staff of an academic institution (or a student) please use the link below to contact us for information on costs of non-academic licenses. Non-Academic License Inquiry Minimum Requirements Windows 95, 98, NT, ME, 2000, XP Order Options and Details   Software Package Please Select Software Package PARSCALE 4 (Windows) PARSCALE 4 - Upgrade (Windows) Quantity 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 Weight 0.50 lbs Price: $0.00  Add to cart

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