Which approach is described as an agnostic hybrid technique that draws upon many different ideas?

The approach described as an agnostic hybrid technique that draws upon many different ideas is Disciplined Agile. This methodology is characterized by its ability to incorporate and adapt practices from a variety of frameworks and methodologies, such as Scrum, Kanban, and Lean, among others. Disciplined Agile emphasizes flexibility and the importance of tailoring processes to fit the unique needs of a team, organization, and project context, rather than adhering strictly to a single framework.

The notion of being "agnostic" in the context of Disciplined Agile signifies that it does not confine itself to a single school of thought but rather embraces a diversity of practices and principles. This allows teams to select the most effective practices for their specific challenges and objectives, promoting an environment where continuous improvement is possible.

While Agile encompasses a set of values and principles that promote iterative development and responsiveness to change, it does not frame itself as a hybrid methodology. Iterative approaches focus on repeated cycles of development without necessarily integrating different methodologies, and Lean specifically emphasizes the elimination of waste and efficient workflows, which is just one aspect of the broader Disciplined Agile framework.