The Apprenticeship Model: Assessing Competencies of Early Intervention PractitionersApplequist, Karen L. PhD; McLellan, Mary J. PhD; McGrath, Eileen Romer PhDInfants & Young Children: January-March 2010 - Volume 23 - Issue 1 - p 23–33 doi: 10.1097/IYC.0b013e3181c975d5 Article Abstract Author Information States and territories participating in Part C services under the Individuals with Disabilities Education Act (IDEA) are required to design and implement a comprehensive system of personnel development. In this article, an apprenticeship model used in one state will be described. The range of factors influencing how this model was implemented and reflections from participating professionals highlight its relative strengths and weaknesses. Specific challenges encountered during implementation and recommendations for the field will be discussed. Departments of Educational Specialties (Dr Applequist) and Educational Psychology (Dr McLellan), Northern Arizona University, Flagstaff; and Department of Pediatrics, University of Arizona, Tucson (Dr McGrath). Corresponding Author: Karen L. Applequist, PhD, Department of Educational Specialties, Northern Arizona University, Box 5774, Flagstaff, AZ 86011 (Karen.Applequist@nau.edu). The apprenticeship model was coordinated by the Arizona Early Intervention Staff Development and Training Program of the Institute for Human Development funded by the Arizona Department of Economic Security/Arizona Early Intervention Program. ©2010Lippincott Williams & Wilkins, Inc.