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Scale Development: Theory and Applications (Applied Social Research Methods), by Robert F. DeVellis
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This book presents complex concepts in a way that helps students to understand the logic underlying the creation, use, and evaluation of measurement instruments and to develop a more intuitive feel for how scales work. Robert DeVellis demystifies measurement by relating it to familiar experiences and by emphasizing a conceptual rather than a strictly mathematical understanding. Students' attention is drawn to important concepts that are foundational for subsequent topics, with opportunities provided to test understanding through chapter summaries and exercises.
- Sales Rank: #221538 in Books
- Brand: Brand: SAGE Publications, Inc
- Published on: 2011-06-01
- Original language: English
- Number of items: 1
- Dimensions: 8.75" h x 5.50" w x .50" l, .57 pounds
- Binding: Paperback
- 216 pages
- Used Book in Good Condition
Review
“Scale Development is readable, concise, and affordable. Students like the book. It presents formulas but doesn’t emphasize them but rather emphasizes utility, and the book is well-suited for an audience with applied interests.” (Kathy E. Green)
"The key strength of this text is its ability to present the basic and necessary background on scale construction and measurement for the subsequent material, either in the context of the same first-year graduate course or in future courses during a masters and PhD program.” (René Bautista)
“The author has a very nice writing style that makes reasonably complicated technical concepts clear to students who are accessing them for the first time.” (Catherine Horn)
“This book does an excellent job in explaining complicated topics in test construction at a level that students can understand. The use of specific examples that demonstrate key points is very effective.” (Jonathan Feldman)
From the Inside Flap
Praise for the First Edition:
"Very readable, well organized, and straightforward. I would recommend this book for practitioners, graduate students, and faculty members who are seeking a practical, rather than a psychometric, treatment of scale development. This book offers a clear overview for those interested in the development and validation of measurement scales."
About the Author
Prior to retiring in 2012, Robert F. DeVellis was Professor in the Department of Health Behavior, (Gillings School of Global Public Health) at the University of North Carolina at Chapel Hill. Dr. DeVellis has more than 35 years of experience in the measurement of psychological and social variables. He has been an active member of the Patient-Reported Outcomes Measurement Information System (PROMIS) consortium, a multisite National Institutes of Health (NIH) Roadmap initiative directed at identifying, modifying, testing, and disseminating outcome measures for use by NIH investigators. His role in PROMIS was as network-wide domain chair for Social Outcomes. He has served on the Board of Directors for the American Psychological Association’s Division of Health Psychology (38), on the Arthritis Foundation’s Clinical/Outcomes/Therapeutics Research Study Section, and on the Advisory Board of the Veterans Affairs Measurement Excellence Initiative. He is the recipient of the 2005 Distinguished Scholar Award from the Association of Rheumatology Health Professionals and is an associate editor of Arthritis Care and Research. In addition, he has served as guest editor, guest associate editor, or reviewer for more than two dozen other journals. He has served as principal investigator or co-investigator since the early 1980s on a series of research projects funded by the federal government and private foundations. He remains intellectually active in his editorial role and as a consultant on a variety of projects.
Most helpful customer reviews
24 of 24 people found the following review helpful.
A easy reading monograph in scale development
By Vong Tze Ngai
It's a worth reading for those who wishes to know more about scale development. Chapters on "Reliability" and "Validity" are a bit too brief, I dare say. On the other hand, Chapter 5 provides really easy to follow, step by step instructions in building a scale. Readers following through these instructions shouldn't find difficulty constucting their own scales! Perhaps, for those who wishes to know more about issues concerning scale reliability and validity, they may refer to Spector's "Summated Rating Scale Construction (A Sage publication).
16 of 16 people found the following review helpful.
Nice, practical overview of the scale construction process
By A. Tiwana
If you've never developed scales for survey research before, this is probably one of the most readable and actionable books describing the process step by step. Browse through it in your local library before you buy a copy. Highly recommended.
May 2013 Update:
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Chapter 5 has a concise step-by-step summary of the entire scale development process. This is a very applied book and not intended for readers more interested in psychometric theory that its application. I'd still recommend this book over any competing title. If you got a cheaper copy on an older edition of this book, you'd not be missing anything critical.
12 of 12 people found the following review helpful.
Solid Help for First-Time Scale Developers
By John M. Ford
My colleague Doug recently completed a research study on the level of engagement in the Federal workforce. He used data from a 2005 governmentwide survey of nearly 37,000 Federal employees. Although Doug has a solid background in Federal employment issues like employee engagement, this was the first time he used a group of survey questions to create and analyze a measurement scale. This book is one of the resources Doug used to make his project a success.
Robert DeVellis's book covers the fundamentals of social science scale development in a straightforward manner. This book explains basic measurement concepts clearly and contains sufficient practical guidance to support construction of a working scale. The reader will need to obtain access to a statistical program and instruction in its use from another source.
Chapter 1 briefly reviews the history of social science measurement, including the role played by statistics and psychophysics. A discussion of the relationship between theory and measurement includes the risks of careless measurement practice. It ends on page 13 with a useful one-paragraph preview of the remaining seven chapters. Chapter 2 defines the relationship between constructs and the measures that allow us to observe them. It introduces path diagrams and outlines the assumptions of classical measurement theory. Chapter 3 defines measurement reliability and introduces coefficient alpha as a measure of the internal consistency of a scale. More advanced reliability topics are outlined with some reference to formulas and covariance matrices.
The next two chapters are the book's core. Chapter 4 defines content, criterion-related, construct and face validity and distinguishes between validity and accuracy. The discussion of validity coefficients and multi-method multi-trait approaches to studying validity equip the reader to understand validity studies in the measurement literature. Chapter 5 lays out an eight-step process for developing a scale of questions to measure some construct of the reader's choice. These steps are (slightly reworded):
- 1. Define clearly what you want to measure.
- 2. Create a set of draft questions.
- 3. Select a common format and set of answer options for the questions.
- 4. Have experts review and revise the questions.
- 5. Consider using "social desirability" or similar questions.
- 6. Field test the questions with "real people."
- 7. Analyze the results of your field test.
- 8. Decide how many questions--and which questions--to keep.
The real value in this book is the practical guidance given for each of these steps. There is enough here to get you through your first project, but not so much that it overwhelms.
Chapter 6 introduces factor analysis as a statistical procedure that helps scale developers understand how their scale works, particularly if there are two or three different things that the scale is measuring. The author does an excellent job explaining the concepts of factor analysis, how to select the right kind of analysis, and how to interpret the results without becoming mired in unnecessary technical detail. Chapter 7 is a similarly elegant treatment of item response theory. The reader is convinced that scale items each have a certain difficulty for test takers and a certain ability to discriminate between groups of test takers. The chapter explains these and related concepts sufficiently to illustrate their usefulness, leaving interested readers to learn more in one of the cited references. The final chapter encourages readers to take a broad, contextual view of measurement and sends them on their way to develop their scales.
Other sources are a better choice if you need a deeply technical reference about measurement (Psychometric Theory), factor analysis (Latent Variable Models and Factor Analysis), or item response theory (Item Response Theory for Psychologists). If you are developing your first scale--like Doug--or if you are often asked "How do I make a scale to measure this?" then you want this book close at hand.
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