[1] It is independent of application domain and has been used to analyse, among others, aviation-, railway-, marine-, and computer-related accidents and incidents.
WBA strives to ensure objectivity, falsifiability and reproducibility of results.
The result of a WBA is a why–because graph (WBG), a type of causal notation used to represent interdependencies within a system.
When causes for the accident have been identified, formal tests are applied to all potential cause-effect relations.
The CST aims at deciding whether a set of causes are sufficient for an effect to happen.