Question 27 (1 point) Narrative 6-3 Athabasca University has evolved over its nearly 50-year history. Course delivery has evolved along with Athabasca University-from text-based learning modules to video cassettes, partnerships with educational television, and now to an internet-enabled teaching and learning model that coexists with the text and video-based independent learning models. In 1994, Athabasca pioneered an online Executive MBA program. In addition to innovating learning models, Athabasca developed a Centre for Distance Education, which is globally known for its research into distance learning and offers graduate programs in the field. Refer to Narrative 6-3. Athabasca University continues to innovate its online collaborative learning model, used for the executive MBA, at the same time as it provides an individualized, self-paced learning option for other courses. What does the existence of both technologies exemplify? a) design substitution Ob) modular management Och design competition Od) hierarchical management