Presents a model based on the Premack Principle which utilizes preferred learning activities to promote the career development of students during free time in the classroom. Free time can be reconceptualized as a medium for extending learning beyond formal instruction. Examples of preferential career activities are described. (Author)

The Public Understanding of Science Program (PUOS) was formed in 1957 to help improve popular awareness and understanding of the role, activities, methods, and implications of science. The first section of this document highlights the role and purpose of the PUOS program, summarizing the need for informal science education, PUOS strategy, the…