Create a PDF flyer for Barkley Deficits in Executive Functioning Scale (BDEFS for Adults):

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“Barkley has done it again. Building on his fine contributions to the science of adult ADHD, he now provides the field with three sets of behavioral rating scales for the measurement of ADHD symptoms, executive dysfunction, and overall psychosocial impairment in adults. These scales were conceived during years of careful scientific work to establish the validity of the constructs being measured and were developed on a strong foundation of psychometric data, including a large normative sample. By firmly grounding assessment in solid science and impeccable psychometrics, Barkley has created tools that will be valuable to both clinicians and researchers.”

—Stephen V. Faraone, PhD, Department of Psychiatry, State University of New York Upstate Medical University

“Reliable, empirically based, and convenient to use for clinicians. Allow[s] a doctor to quantify behaviors that can't be readily observed in the clinic.”

—ADDitude Magazine

“The BDEFS is a much-needed, clinically relevant tool. This exceptionally well-written manual includes a detailed description of the scale's development, psychometric properties and norms, scoring, and clinical interpretation, as well as the forms themselves. The limited photocopy license clearly enhances the clinical utility of the BDEFS. All professionals responsible for assessing and understanding adults suffering the burden of executive dysfunction will find this scale highly useful and beneficial.”

—Rosemary Tannock, PhD, Department of Human Development and Applied Psychology, Ontario Institute for Studies in Education; Department of Medicine, University of Toronto; and Hospital for Sick Children, Toronto, Canada

“Barkley has created a rating scale that is quick and easy to administer and score. The BDEFS provides valuable information regarding specific executive functioning deficits, including those found in ADHD. This scale does what a good assessment instrument should: not only does it answer questions regarding diagnosis, but it also helps clinicians identify target skills and behaviors for intervention.”

—Peg Dawson, EdD, Center for Learning and Attention Disorders, Seacoast Mental Health Center, Portsmouth, New Hampshire

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Russell A. Barkley

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