David Streiner, Ph.D., is a clinical psychologist by training. He is currently an emeritus professor in the Department of Psychiatry and Behavioural Neurosciences and the Department of Clinical Epidemiology at McMaster University and a professor at the University of Toronto. He is the author of nine books, 51 chapters, and over 400 articles. He was elected to the Canadian Academy of Health Services in 2022.Geoff Norman, PhD, is an Emeritus Professor of Clinical Epidemiology and Biostatistics, McMaster University. He is the author of 30 books and book chapters in education, measurement and statistics, and over 300 journal articles. He was elected to the Royal Society of Canada in 2007. He received an honorary doctorate from Erasmus University, Rotterdam in 2010. He was appointed to the Community of Distinction of McMaster University in 2018.

Review from previous edition This book is a useful resource that should have a fairly broad appeal for researchers needing to develop new measurement scales, researchers who need to critically appraise literature concerned with measurement tools, and anyone interested in an accessible overview of important measurement issues and methods.

• 1: Introduction to health measurement scales 2: Basic concepts 3: Devising the items 4: Scaling responses 5: Selecting the items 6: Biases in responding 7: From items to scales 8: Reliability 9: Generalizability theory 10: Validity 11: Measuring change 12: Item response theory 13: Methods of administration 14: Ethical considerations 15: Reporting test results

David Streiner, Ph.D., is a clinical psychologist by training. He is currently an emeritus professor in the Department of Psychiatry and Behavioural Neurosciences and the Department of Clinical Epidemiology at McMaster University and a professor at the University of Toronto. He is the author of nine books, 51 chapters, and over 400 articles. He was elected to the Canadian Academy of Health Services in 2022.Geoff Norman, PhD, is an Emeritus Professor of Clinical Epidemiology and Biostatistics, McMaster University. He is the author of 30 books and book chapters in education, measurement and statistics, and over 300 journal articles. He was elected to the Royal Society of Canada in 2007. He received an honorary doctorate from Erasmus University, Rotterdam in 2010. He was appointed to the Community of Distinction of McMaster University in 2018.

Review from previous edition This book is a useful resource that should have a fairly broad appeal for researchers needing to develop new measurement scales, researchers who need to critically appraise literature concerned with measurement tools, and anyone interested in an accessible overview of important measurement issues and methods.

• 1: Introduction to health measurement scales 2: Basic concepts 3: Devising the items 4: Scaling responses 5: Selecting the items 6: Biases in responding 7: From items to scales 8: Reliability 9: Generalizability theory 10: Validity 11: Measuring change 12: Item response theory 13: Methods of administration 14: Ethical considerations 15: Reporting test results