Administer and apply the Bayley-4 Scales of Infant and Toddler Development with confidence In Essentials of Bayley 4 Assessment, a distinguished team of authors delivers state-of-the-art guidelines for the application of the new Bayley 4 test of infant and toddler development. The resource offers a comprehensive guide to administering, scoring, interpreting, and applying the test. The resource provides key updates made since the publication of the previous version of the test, such as:  Updated administration and scoring guideance, content updates, new norms and clinical studies, and shortened administration time  Instruction on a Digital Delivery Option of the Bayley 4 (i.e., Q-interactive) New illustrative case studies and examples of Bayley 4 reports.  Written for developmental practitioners, school and clinical psychologists, pediatricians, pediatric neuropsychologists, speech-language pathologists, occupational therapists, and physical therapists, Essentials of Bayley 4 is also an indispensable resource for university professors and students in training in assessment related fields.