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Mcnamara Fallacy

nounverified·updated May 18, 2026

presum[ing] that (A) quantitative models of reality are always more accurate than other models; (B) the quantitative measurements that can be made most easily must be the most relevant; and (C) factors other than those currently being used in quantitative metrics must either not exist or not have a significant influence on success. Also known as the quantitative fallacy.

MWE

Classifications

Entity Type

Requirement72%llm-generatedllm:claude-haiku-4-5
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Sensitivity

95%llm-generatedllm:claude-haiku-4-5
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Information Class

95%llm-generatedllm:claude-haiku-4-5
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Variants

synonym
quantitative fallacy
plural
Mcnamara Fallacies
possessive
Mcnamara Fallacy's
pluralpossessive
Mcnamara Fallacies'