Curriculum and Bodies of Knowledge as Instructional Affordances An affordance is created by design eg. a chair affords ‘sitting’ by design, a cup affords ‘drinking’ by design, a ball afford ‘kicking’ by design and water is designed for drinking and swimming. Understanding affordance is foundational to safety in design, usability and ethics. If one was talking about document usability and didn’t investigate affordances, I wouldn’t waste my time in its study. It is quite odd that Safety expects people to ‘speak up’ about un-safety when the culture of blaming common in safety suppresses it. Blaming and shame create psychological affordances. Slogans create affordances like; ‘safety is a choice you make’, ‘all accidents are preventable’ create a belief state that confirms and affirms safety myths about determinism and power. Such slogans hide beliefs that shape thoughts and actions. If you want to understand the nature of affordance, the following are helpful: · Letiche, H., ...