The studies of Sir Francis Galton are said to have laid the foundation for the Critical Incident Technique, but it is the work of Colonel John C. Flanagan, that resulted in the present form of CIT [REF].
Flanagan's work was carried out as part of the Aviation Psychology Program [REF] of the United States Army Air Forces during World War II, where Flanagan conducted a series of studies focused on differentiating effective and ineffective work behaviors.