Both the project report and the resultant role delineation for entry level physician assistants are included in this first volume of a two-volume report of a study which had two major purposes: (1) To further develop a role delineation for the assistant to the primary care physician and (2) to provide an educational resource for those involved in training physician assistants. An introductory section describes the activities: Scope of work, methodology, people involved, list of physician assistant programs surveyed, and the two products (role delineation and curriculum resource guide.) A second section considers in more detail the methodology, future work, and components of role delineation. The last half of the document consists of the role delineation which was developed: the minimum basic major and specific responsibilities and competencies for the entry level physician assistant. (Volume II is the curriculum resource guide which was developed based on the role delineation.) (LAS)