Diane Bricker Author & Editor


Dr. Bricker is the former director of the Early Intervention Program at the University of Oregon and a key developer of the ASQ and AEPS® systems. She has focused her professional career on the development and study of assessment systems and intervention approaches for young children with disabilities and those at risk for developing disabilities.


Dr. Bricker has been instrumental in the development of graduate-level personnel preparation programs that have produced professionals who are delivering quality services to thousands of young children and their families. She has published extensively in the field of early intervention.



Jane Farrell, M.S., is a research assistant at the Early Intervention Program of the Center on Human Development, University of Oregon, and is coordinating the Ages & Stages Questionnaires Outreach Project. She is providing national training and technical assistance for states on systematic implementation of the ASQ system.

Linda Mounts, M.A., is an infant development specialist and has worked for many years in clinical and research settings with infants and toddlers. While at the Center on Human Development, University of Oregon, she assisted with development and research on the Ages & Stages Questionnaires. She is employed by the Regional Center of the East Bay in northern California, evaluating young children from birth to 3 years of age.

Robert E. Nickel, M.D., directs the Regional Services Center of the Child Development and Rehabilitation Center (CDRC), which is a major unit of Oregon Health Sciences University. The CDRC administers Title V services for children with special health care needs in Oregon, offers a variety of clinical services, and houses a research and training institute – the Oregon Institute on Disability and Development, which is a University Affiliated Program (UAP). The Eugene office of the CDRC is associated with the Center on Human Development, the UAP at the University of Oregon. Dr. Nickel completed fellowship training in developmental pediatrics at the University of Washington with Drs. Forrest C. Bennett and Jerry Sells. During this fellowship, he also worked regularly with Dr. David Shurtleff and the Birth Defects Clinic staff at Children's Hospital and Medical Center in Seattle. Since completing his fellowship in 1980, Dr. Nickel has worked as a developmental pediatrician for the CDRC. In addition, he has directed the Eugene office since 1990. He represents the CDRC on the State Interagency Coordinating Council for Early Intervention/Early Childhood Special Education in Oregon and is a past chair of the Committee on Children with Disabilities of the Oregon Pediatric Society. He is a past president and a current curriculum committee member of the Northwest Society for Developmental and Behavioral Pediatrics. Dr. Nickel has written and lectured widely on the early identification of children with disabilities in the primary care office. He collaborated with Diane Bricker and Jane Squires in the development of Ages & Stages Questionnaires: A Parent-Completed, Child-Monitoring System (Paul H. Brookes Publishing Co., 1999) and developed the Infant Motor Screen. In addition, he has presented numerous workshops on caring for children with disabilities and chronic conditions in the primary care office and on improving the collaboration of health professionals with education staff and other community service providers.

LaWanda Potter, M.S., is a research assistant at the Center on Human Development, Early Intervention Program, University of Oregon. She has been involved with several research studies on the Ages & Stages Questionnaires, including questionnaire revisions, data analysis, and documentation. She has also provided outreach training on the Ages & Stages Questionnaires system across the United States.

Dr. Squires has served as principal investigator on research