Symbols of the Federal Bureau of Investigation on domestic intelligence matters with the invention of the motto: "He's credited in some bureau histories with inventing (in 1935) not only the bureau's name, but its official motto: Fidelity, Bravery, Integrity." The outer edge of the seal consists of a series of beveled golden peaks. This represents the severe challenges that the FBI faces every day and alludes to the ruggedness of the organization. The gold color represents the richness and history of the Bureau's mission. The FBI seal should not be confused with the FBI badge, which dates from 1935 and has a very different design that does
Fidelity of the realism of a model or simulation. Simulation fidelity has also been described in the past as "degree of similarity". In quantum mechanics and optics, the fidelity of a field is calculated as an overlap integral of the field of interest with a reference or target field. In the field of program evaluation, the term fidelity denotes how closely a set of procedures were implemented as they were supposed to have been. For example, it is difficult to draw conclusions from a study about formative assessment in school classrooms if the teachers are not able or willing to follow