Students bring prior knowledge to their learning experiences. This prior knowledge is known to affect how students encode and later retrieve new information learned. Teachers and content developers can use information about students' prior knowledge to create more effective lessons and materials. In many content areas, particularly the sciences,…

Due to its sparse, rural population and long distances, Alberta province (Canada) has been providing education at a distance since 1923 for students in grades 1 through 12 and adults who wish to complete their high school education through correspondence. This handbook is published as a resource for Alberta schools that offer distance learning…