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Psychometrics
An Introduction

Fourth Edition


August 2021 | 680 pages | SAGE Publications, Inc
In Psychometrics: An Introduction, author R. Michael Furr centers his presentation of material around a conceptual understanding of psychometric core issues, such as scales, reliability, and validity. The focus of this text is on purpose rather than procedure, the “why” rather than the “how to." By emphasizing concepts, logic, and practical applications over mathematical proofs, this book gives students an appreciation of how measurement problems can be addressed and why it is important to address them. Topics are presented accessibly using a wide variety of examples from behavioral science research so readers can see the importance of psychometric fundamentals in research. The fully-revised Fourth Edition now includes technical appendices in R software for relevant chapters, more than twice as many figures and tables to assist in the clarity of the presentation of information, and significant updates to the chapter text including edits for clarity, additional explanations of basic statistics and concepts, and new examples and references throughout.

 
Chapter 1. Psychometrics and the Importance of Psychological Measurement
 
PART I. BASIC CONCEPTS IN MEASUREMENT
 
Chapter 2. Scaling
 
Chapter 3. Differences Consistency, and The Meaning of Test Scores
 
Chapter 4. Test Dimensionality and Factor Analysis
 
PART II. RELIABILITY
 
Chapter 5. Reliability: Conceptual Basis
 
Chapter 6. Empirical Estimates of Reliability
 
Chapter 7. The Importance of Reliability
 
PART III. VALIDITY
 
Chapter 8. Validity: Conceptual Basis
 
Chapter 9. Estimating and Evaluating Convergent and Discriminant Validity Evidence
 
PART IV. THREATS TO PSYCHOMETRIC QUALITY
 
Chapter 10. Response Biases
 
Chapter 11. Test Bias
 
PART V. ADVANCED PSYCHOMETRIC APPROACHES
 
Chapter 12. Confirmatory Factor Analysis
 
Chapter 13. Generalizability Theory
 
Chapter 14. Item Response Theory and Rasch Models

Supplements

Student Resource Site
Access the student resource site for datasets and files in R for the Technical Appendices.
Key features

 NEW TO THIS EDITION: 

  • Technical appendices in R help students apply concepts from most chapters in a free and powerful software program.
  • Expanded figures and tables (more than twice as many as the previous edition) present information in condensed and visual formats for increased understanding.
  • Additional coverage of fundamental statistics and concepts ensures readers start each chapter with the appropriate context and background.
  • Expanded depth and breadth of coverage of key issues in psychometrics, including summaries of relevant statistical packages, introduces readers to a wide range of important concepts, principles, and procedures.
  • Enhanced clarity and accessibility further helps facilitate students’ ability to understand and appreciate the diverse and often highly technical material in psychometric theory.

KEY FEATURES:

  • Information is presented in a clear conversational writing style that does not compromise the academic integrity of the material.
  • Practical applications are highlighted through examples to enhance readers' appreciation of the importance of psychometrics.
  • Statistical procedures are introduced in the context of their use, rather than in a separate chapter, for a more intuitive approach to understanding the material.
  • Integration of statistics with a discussion of their use as tools to solve particular psychometric problems encourages a more complete understanding of both.
  • PowerPoint(R) slides and a test bank offer instructors resources for the courses.