Welcome to Assessment Systems

Assessment Systems is your source for solutions in test development and analysis, psychometrics, data analysis, and electronic test delivery. We provide books, software, and extensive consulting services to help you create, administer, and maintain reliable and valid assessments. Our goal is to supply scalable, appropriate testing solutions that fit your needs and your budget. Although we provide expertise in item response theory (IRT) and computerized adaptive testing (CAT), we also understand the needs and requirements of smaller testing programs. Assessment Systems Corporation 2233 University Ave., Suite 200 St. Paul, MN. 55114 U.S.A. Phone: (651) 647-9220 Fax: (651) 647-0412 Hours: 9 AM - 5 PM (U.S.A. Central Time) Note: Assessment Systems is currently using Federal Express for domestic and international shipping.

Featured products

FastTEST 2 Test Development System (CD Version) 32-bit Windows item banker and test assembly system for easy and efficient creation of printed tests, surveys, and questionaires. Full support for dichotomous IRT models. Price Depends on License Options TestAssembler TestAssembler is a simple, effective tool for automated test assembly based on classical test theory (CTT), including anchor item blocks. It was designed with one purpose in mind: to save you time and money. Price Depends on License Options LERTAP 5 Lertap 5 is a classical item, test, and survey analysis system that is based in Microsoft Excel. Recent updates include support for Excel/Office 2007 and the functionality to import ITAP-formatted input files. Lertap 5 produces a variety of tabular reports and related graphics, including: quintile plots of distractor functioning, boxplots of group test scores, eigenvalue scree plot displays, score histograms, and scatterplots; statistics for mastery, licensing, and certification tests; test cheating; differential item functioning graphs and Mantel-Haenszel statistics; conditional standard errors of measurement and indices of classification consistency. Price Depends on License Options CONQUEST Version 2.0 (CD Version) ConQuest Version 2.0 is a computer program for fitting item response (Rasch) and latent regression models. It provides a comprehensive and flexible range of item response models (IRM) to analysts, allowing them to examine the properties of performance assessments, traditional assessments and rating scales. ConQuest 2.0 also offers the wider measurement and research community the most up-to-date psychometric methods of multifaceted item response models, multidimensional item response models, latent regression models and drawing plausible values. Now with 30 Day Free Trial and Free Manual! Price Depends on Options

New Books

The Theory and Practice of Item Response Theory This book provides excellent coverage of not only the theory behind IRT but also its application to testing data. Just released! Our price: $60.00 Modern Psychometrics: The Science of Psychological Assessment Today psychometrics plays an increasingly important role in all our lives as testing and assessment occurs from preschool until retirement. This book introduces the reader to the subject in all its aspects, ranging from its early history, school examinations, how to construct your own test, controversies about IQ and recent developments in testing on the internet. Our price: $44.95

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