Quickly acquire the knowledge and skills you need to confidently administer, score, and interpret the Bayley Scales The Bayley Scales measure the mental and motor development and test behavior of infants from one to forty-two months of age. The Scales may be used to describe the current developmental functioning of infants and to assist in diagnosis and treatment planning for infants with developmental delays or disabilities. In order to use them properly, professionals need an authoritative source of advice and guidance on how to administer, score, and interpret these tests. Essentials of Bayley Scales of Infant Development II Assessment is the first and only book to provide state-of-the-art guidelines for the Bayley Scales. Like all the volumes in the Essentials of Psychological Assessment series, this book is designed to help busy clinicians and researchers quickly acquire the knowledge and skills they need to make optimal use of a major psychological assessment instrument. Each concise chapter features numerous callout boxes highlighting key concepts, bulleted points, and extensive illustrative material, as well as test questions that help you gauge and reinforce your grasp of the information covered. The initial chapters of Essentials of Bayley Scales of Infant Development II Assessment provide step-by-step instruction on test administration, scoring, and interpretation. In the following chapters, the authors provide expert assessment of the relative strengths and weaknesses of the Bayley Scales, valuable advice on their clinical applications, and several illuminating case reports. Other titles in the Essentials of Psychological Assessment series: Essentials of WAIS-III Assessment Essentials of CAS Assessment Essentials of Millon Inventories Assessment Essentials of Forensic Psychological Assessment Essentials of Myers-Briggs Type Indicator Assessment Essentials of WISC-III and WPPSI-R Assessment