This celebrated primer presents an introduction to all of the key ingredients in understanding computerized adaptive testing technology, test development, statistics, and mental test theory. Based on years of research, this accessible book educates the novice and serves as a compendium of state-of-the-art information for professionals interested in computerized testing in the areas of education, psychology, and other related social sciences. A hypothetical test taken as a prelude to employment is used as a common example throughout to highlight this book's most important features and problems.
Adverse impact analyses and test validation promote social justice and equity. Employers who unknowingly use invalid tests or recruitment procedures that have an adverse impact are reducing minority and/or female representation in their workforce, unfairly screening out qualified workers and (worst of all) just plain discriminating. Dan Biddle's Adverse Impact and Test Validation provides you with analyses that allow you to identify which of your selection procedures have adverse impact. The validation steps will help you decide whether to keep the selection procedure (because it's valid), change it, or stop using it altogether. This second edition contains new material on using multiple regression to evaluate pay practices and provides step-by-step instructions for using SPSS or Excel for evaluating your company's pay practices for possible inequities. New content on how to define "Internet applicants" and set up defensible Basic Qualifications (BQs) for online recruiting will help employers ensure compliance with EEO regulations and screen in qualified applicants. Specific guidelines for developing and validating written job knowledge tests, such as those used for police and fire promotional testing, have also been included in this new edition. The CD included in the back cover of the book includes tools (which may be used on a trial evaluation basis) describing several of the functions described in the book, including Adverse Impact ToolkitA(R), Test Validation and Analysis ProgramA(R) (TVAPA(R)), Guidelines Oriented Job AnalysisA(R) (GOJAA(R)) Manual, and Content Validity Checklists. This highly pragmatic guide goes beyond the concepts, theories and ideas behind adverse impact and test validation. It not only explains what to do but crucially, also shows you how to do it. The second edition has been expanded to include two brand new chapters with a new Appendix and comes with new editions of the accompanying software. As a means of protecting your organization from litigation, damage to employee relations and to your corporate reputation, Adverse Impact and Test Validation is a 'must-have' purchase for human resource professionals, testing and recruitment specialists.
Gastrointestinal and Liver Pathology, a title in the Foundations in Diagnostic Pathology series, provides all the most essential information on the pathological entities encountered in practice in an easy-to-use format. Drs. Christine A. Iacobuzio-Donahue and Elizabeth Montgomery examine the full scope of neoplastic and non-neoplastic disorders of the gastrointestinal tract--, including disorders of the tubular gastrointestinal tract, pancreatobiliary tree, and liver-from clinical features and ancillary studies to differential diagnoses and prognostic and therapeutic considerations. The consistent, practical format with a wealth of illustrations, boxes, and tables, along with online access at www.expertconsult.com, make this title ideal for quick reference for both novices and experienced pathologists.
New edition of the popular Foundation series offers all the key information needed in gastrointestinal pathology in a user-friendly format including templated summary tables with Clinical Fact Sheets and Pathologic Features of each disease
Rule-basedevolutionaryonlinelearningsystems,oftenreferredtoasMichig- style learning classi?er systems (LCSs), were proposed nearly thirty years ago (Holland, 1976; Holland, 1977) originally calling them cognitive systems. LCSs combine the strength of reinforcement learning with the generali- tion capabilities of genetic algorithms promising a ?exible, online general- ing, solely reinforcement dependent learning system. However, despite several initial successful applications of LCSs and their interesting relations with a- mal learning and cognition, understanding of the systems remained somewhat obscured. Questions concerning learning complexity or convergence remained unanswered. Performance in di?erent problem types, problem structures, c- ceptspaces,andhypothesisspacesstayednearlyunpredictable. Thisbookhas the following three major objectives: (1) to establish a facetwise theory - proachforLCSsthatpromotessystemanalysis,understanding,anddesign;(2) to analyze, evaluate, and enhance the XCS classi?er system (Wilson, 1995) by the means of the facetwise approach establishing a fundamental XCS learning theory; (3) to identify both the major advantages of an LCS-based learning approach as well as the most promising potential application areas. Achieving these three objectives leads to a rigorous understanding of LCS functioning that enables the successful application of LCSs to diverse problem types and problem domains. The quantitative analysis of XCS shows that the inter- tive, evolutionary-based online learning mechanism works machine learning competitively yielding a low-order polynomial learning complexity. Moreover, the facetwise analysis approach facilitates the successful design of more - vanced LCSs including Holland's originally envisioned cognitive systems. Martin V.
This book explains the key steps in planning and executing diagnostic test accuracy studies in dementia, with clear explanations of difficulties and pitfalls and with jargon clearly explained. The emphasis is on pragmatic diagnostic test accuracy studies which can be integrated into day-to-day clinical practice. The book is based on the author's experience over more than 10 years, which has resulted in the publication of many diagnostic test accuracy studies.
The text is structured as for a research publication on a diagnostic test accuracy study (Introduction, Methods, Results, Discussion), with a final chapter on Future Prospects. Each of the chapters is devoted to a practical and structured overview of each of these steps in performing and writing up such a study.
Diagnostic Test Accuracy Studies in Dementia: A Pragmatic Approach is aimed at any clinician with an interest in dementia disorders: old age psychiatrists, geriatricians, neurologists, neuropsychologists and primary care physicians, as well as other professions allied to medicine. The book is also of interest to any clinician/researcher with an interest in diagnostic test accuracy studies.
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