One in a series of core instructional materials for apprentices to use during the first or second years of apprentice-related subjects training, this booklet provides an introduction to apprenticeship training programs. The first section consists of an outline of the content and scope of the core materials as well as a self-assessment pretest. Covered in the two instructional chapters included in the booklet are the nature and importance of apprenticeship training and the roles and responsibilities of the parties involved in apprenticeship training programs. Each chapter contains an overview; an introduction and objectives; principles, examples, and applications; additional information; and self-test exercises. Appended to the booklet are answers to the self-assessment pretest, answers to the self-test exercises, a posttest, and answers to the posttest. (MN)