Invariant Measurement

Invariant Measurement: Using Rasch Models in the Social, Behavioral, and Health Sciences Paperback – December 13, 2012

Author: George Engelhard Jr. | Language: English | ISBN: 0415871255 | Format: PDF, EPUB

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Invariant Measurement: Using Rasch Models in the Social, Behavioral, and Health Sciences – December 13, 2012
You can download Invariant Measurement: Using Rasch Models in the Social, Behavioral, and Health Sciences Paperback – December 13, 2012 from mediafire, rapishare, and mirror link

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"Invariant Measurement fills a much needed void in the library of Rasch measurement books. This book is a favorite among Rasch measurement enthusiasts for many reasons, not the least of which is the authors’ use of practical language coupled with a consistent tone. Invariant Measurement, however, is sure to be another favorite in the Rasch measurement anthology as its crisp, clear writing and practical approach will be easily digestible for both measurement experts and curious students alike." - Kenneth D. Royal, University of North Carolina at Chapel Hill

"Professor Engelhard Jr. has long been one of the strongest and most respected and thoughtful measurement specialists in our field. His book on measurement invariance in the social sciences brings great clarity for practitioners to what many have called the cornerstone of item response theory." - Ronald K. Hambleton, Distinguished University Professor, University of Massachusetts - Amherst, USA

"Measurement is fundamental to any scientific research but unless the measures are valid and dependable, the research will be misleading and futile. This book is a must-read for every serious researcher who needs to construct quality measures. It gives a thorough treatment on both the concepts and the methodology of Rasch measurement." - Magdalena M. C. Mok, The Hong Kong Institute of Education, China

"George Engelhard is one of the world’s premier theorists on invariant measurement. … This will be a useful textbook for a graduate course on item response theory as well as a good desk reference for many psychometric researchers and practitioners." -Richard M. Luecht, University of North Carolina – Greensboro, USA

"I found each chapter easy to read and follow. ... [It] includes more authentic examples and supplements which ... make it (in my opinion) more accessible for graduate students." – Jennifer Randall, University of Massachusetts – Amherst, USA

"The conversational tone makes the book … more engaging – as if one were having a conversation with the author. ... I believe readers (particularly graduate students) will find the text engaging." - RJ DeAyala, University of Nebraska- Lincoln, USA

"The project makes a significant contribution to the field of measurement. I know of no other resource that has as their focus the basic concepts and principles of invariant measurement. …I …see this book as useful in introduction to Rasch measurement courses." – Carol Myford, University of Illinois at Chicago, USA

About the Author

George Engelhard, Jr. is a professor of educational measurement and policy in the Division of Educational Studies at Emory University. Professor Engelhard received his Ph.D. from The University of Chicago in the MESA (measurement, evaluation, and statistical analysis) program. Professor Engelhard is co-editor of four books, and the author or co-author of over 125 journal articles, book chapters, and monographs. He serves on national technical advisory committees on educational measurement and policy for several states including Georgia, Louisiana, Michigan, New Jersey, Ohio, Pennsylvania, and Washington. He is a past president of the Georgia Educational Research Association. Professor Engelhard has received numerous awards and fellowships including a National Academy of Education/Spencer Foundation Fellowship Award, a Lilly Post-Doctoral Teaching Award, and a Writing Across the Curriculum Project Award. He is a fellow of the American Educational Research Association.

Download latest books on mediafire and other links compilation Invariant Measurement: Using Rasch Models in the Social, Behavioral, and Health Sciences Paperback – December 13, 2012

Paperback: 312 pages
Publisher: Routledge; 1 edition (December 13, 2012)
Language: English
ISBN-10: 0415871255
ISBN-13: 978-0415871259
Product Dimensions: 9.1 x 6 x 0.7 inches
Shipping Weight: 15.2 ounces (View shipping rates and policies)
Amazon Best Sellers Rank: #325,569 in Books (See Top 100 in Books)

Invariant Measurement, by Englehard, is a very good presentation of all of the elements of the use of mathematical models to reduce information contained in measurements made in the social, behavioral and health sciences into consistent quantitative measures which are in turn amenable to more classic statistical analysis.

I have utilized some of these methods in examining data taken from Health Care questions and specifically for Patient Reported Outcomes, PROs. The specific application of the Rasch method is exceptionally well presented by Englehard; in fact it is one of the best I have seen in the literature of this type.

To paraphrase Rasch, one may look at responses from an individual to say some academic question and one would like to take into account two factors. The level of proficiency of the individual and the complexity of the question asked. This was one of the constructs used by Rasch and it provides a reasonable basis upon which to examine the theory. The goal of taking these measurements and converting them into quantitatively used and repeatable data is to transform the measurements by means of certain metrics into results which can provide consistent and repeatable statistical inferences. Englehard does an exceptionally good job in presenting an overview of how this is accomplished.

Chapter 1 is a general introduction. I found this a bit complex and not as clear as the remainder of the text. The author tries to motivate the remainder of what he develops yet the result is a mass of information which may be a bit more overwhelming than helpful. If one is new to the topic this can be difficult, if one is quite familiar it is redundant.

Chapter 2 is a development of the models with a specific development of the Rasch model.