The McNamara fallacy (also known as the quantitative fallacy), named for Robert McNamara, the U.S. Secretary of Defense from 1961 to 1968, involves making a decision based solely on quantitative observations (or metrics) and ignoring all others. The reason given is often that these other observations cannot be proven.
The McNamara fallacy (also known as the quantitative fallacy), named for Robert McNamara, the U.S. Secretary of Defense from 1961 to 1968, involves making a decision based solely on quantitative observations (or metrics) and ignoring all others. The reason given is often that these other observations cannot be proven.
Source: Wikipedia "McNamara fallacy" · CC BY-SA 4.0
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