Tacit knowledge, the knowledge that workers possess but do not articulate, is associated with terms such as "skill,""know-how,""working knowledge," and "expertise" that are used to describe knowledge about and ability to perform work. Learning that takes place through apprenticeships draws heavily on tacit…

Youth apprenticeship programs differ from the registered apprenticeship that is regulated by federal and state governments. Defined as a "learning program for young people, age 16 and older, that integrates on-the-job training with school-based instruction, that bridges high school and postsecondary schooling, and that results in both academic…