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Bayley 4 Clinical Use and Interpretation - 1st Edition - ISBN: 9780128177549, 9780128177556

Bayley 4 Clinical Use and Interpretation

1st Edition

Author: Glen Aylward
Paperback ISBN: 9780128177549
eBook ISBN: 9780128177556
Imprint: Academic Press
Published Date: 8th February 2020
Page Count: 200
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Table of Contents

1. Brain, Environment, and Development: A Synthesis and a Conceptual Model
2. The New Test
3. The Cognitive Scale
4. The Language Scale
5. Motor Scale
6. Adaptive Behavior Scale
7. Social-Emotional Scale
8. The Autism Spectrum Disorder Checklist
9. Bayley 4 Accommodations and Modifications
10. Indicators of Abnormality (Red Flags)
11. Clinical Group Studies
12. The Bayley 4 on Q-Global
13. Sample Cases
14. Providing Feedback
15. The Bayley 4 Screening Test


Bayley 4 Clinical Use and Interpretation provides clinicians with a guide for use, administration, scoring and interpretation of the Bayley Scales of Infant and Toddler Development, Fourth Edition. The book begins with why and how the Bayley 4 was revised. Separate chapters discuss the clinical use and interpretation of the cognitive, language, motor, social-emotional and adaptive scales, each with illustrative clinical cases. Recommendations are provided to aid clinicians in the efficiency of test administration, as well as how to interpret and integrate results within a diagnostic assessment format and in planning intervention. The clinical validity of the Bayley 4 is demonstrated for eight clinical groups. There is an overview of Autism Spectrum Disorder (ASD) with the Bayley 4 ASD Checklist, accommodations, and red flags indicative of abnormality. Additional chapters discuss digital administration and how to present feedback to caregivers.

Key Features

  • Summarizes what is new and different in the Bayley 4
  • Guides clinicians in use, administration, scoring, and interpretation
  • Identifies the clinical validity of Bayley 4 for eight clinical groups
  • Suggests how to integrate results into assessment and intervention
  • Includes use for autism assessment and an ASD checklist
  • Provides case studies on typical and atypical development


Developmental and clinical psychologists and pediatricians interested in the normal and abnormal development of infant skills


No. of pages:
© Academic Press 2020
8th February 2020
Academic Press
Paperback ISBN:
eBook ISBN:


"This book is excellent because it is a primer into the theory, administration, scoring, and interpretation of the Bayley 4. The author is a co-developer of the Bayley 4, with over four decades of experience working with children. The case examples are extremely helpful. This book should be in the libraries of psychometricians who work with young children." --Doody

Ratings and Reviews

About the Author

Glen Aylward

Glen Aylward

Glen P. Aylward, Ph.D., ABPP, is Professor Emeritus of Pediatrics and Psychiatry at Southern Illinois University School of Medicine and served as Chief of the Division of Developmental and Behavioral Pediatrics/Psychology for many years. He is Director of the NICU Developmental Follow-up Program. Dr. Aylward is a Fellow in 6 divisions of the American Psychological Association, and is board-certified in Clinical Psychology and Clinical Child and Adolescent Psychology. Dr. Aylward has authored more than 100 peer-reviewed papers, chapters, abstracts and reviews, and is the author of the Bayley Infant Neurodevelopmental Screener, and the books, Practitioner’s Guide to Developmental and Psychological Testing, Infant and Early Childhood Neuropsychology, and Practitioner’s Guide to Behavioral Problems in Children. Dr. Aylward is one of the editors of the book, Bayley-III; Clinical Use and Interpretation. He is also the author of the Bayley Scales of Infant and Toddler Development-4 and the Bayley-4 Screening Test. Dr. Aylward has served on numerous committees and executive boards in the American Psychological Association, the Society for Developmental and Behavioral Pediatrics, and the American Academy for Cerebral Palsy and Developmental Medicine. He is a Past President of the Society of Pediatric Psychology (Division 54, American Psychological Association) and of the Society for Developmental and Behavioral Pediatrics. He also served on the Board of Directors of the AACPDM and has been Associate Editor of the Journal of Developmental and Behavioral Pediatrics since 2003.

Affiliations and Expertise

Southern Illinois University, Springfield, IL, USA