who developed the five factor theory of personality
Big Five personality traits The initial model was advanced by Ernest Tupes and Raymond Christal in 1961,[17] but failed to reach an academic audience until the 1980s. In 1990, J.M. Digman advanced his five-factor model of personality, which Lewis Goldberg extended to the highest level of organization.[18] These five overarching domains have been found to contain and subsume most known personality traits and are assumed to represent the basic structure behind all personality traits.[19]
Human Factors Analysis and Classification System HFACS is based in the "Swiss Cheese" model of human error[2] which looks at four levels of active errors and latent failures, including unsafe acts, preconditions for unsafe acts, unsafe supervision, and organizational influences.[1] It is a comprehensive human error framework, that folded Reason's ideas into the applied setting, defining 19 causal categories within four levels of human failure.[3]