The conventional wisdom or received opinion is the body of ideas or explanations generally accepted by the public and/or by experts in a field.[1] In religion, this is known as orthodoxy.

Etymology

The term is often credited to the economist John Kenneth Galbraith, who used it in his 1958 book The Affluent Society:[2]

It will be convenient to have a name for the ideas which are esteemed at any time for their acceptability, and it should be a term that emphasizes this predictability. I shall refer to these ideas henceforth as the conventional wisdom.[3]

However, the term dates back to at least 1838.[4][n 1] Conventional wisdom was used in a number of other works before Galbraith, occasionally in a benign[5] or neutral[6] sense, but more often pejoratively.[7] However, previous authors used it as a synonym for "commonplace knowledge". Galbraith specifically prepended "The" to the phrase to emphasize its uniqueness, and sharpened its meaning to narrow it to those commonplace beliefs that are also acceptable and comfortable to society, thus enhancing their ability to resist facts that might diminish them. He repeatedly referred to it throughout the text of The Affluent Society, invoking it to explain the high degree of resistance in academic economics to new ideas. For these reasons, he is usually credited with the invention and popularization of the phrase in modern usage.

Accuracy

Conventional wisdom is not necessarily true. It is often seen as a hindrance to the acceptance of new information, and to the introduction of new theories and explanations, an obstacle that must be overcome by legitimate revisionism. That is, conventional wisdom has a property analogous to inertia that opposes the introduction of contrary belief, sometimes to the point of absurd denial of the new information or interpretation by persons strongly holding an outdated but conventional view. Since conventional wisdom is convenient, appealing, and deeply assumed by the public, this inertia can last even after many experts and/or opinion leaders have shifted to a new convention.

Conventional wisdom may be political, being closely related to the phenomenon of talking points. The term is used pejoratively to suggest that consistently repeated statements become conventional wisdom whether they are true or not.

More generally, it refers to accepted truth that almost no one seems to dispute, and so it is used as a gauge (or wellspring) of normative behavior or belief, even within a professional context. For example, the conventional wisdom in 1950, even among most doctors, was that smoking tobacco is not particularly harmful to one's health. The conventional wisdom today is that it is. More narrowly, the conventional wisdom in science and engineering once was that a man would suffer lethal injuries if he experienced more than eighteen g-forces in an aerospace vehicle, but it is so no longer. (John Stapp repeatedly withstood far more in his research, peaking above 46 Gs in 1954.

Integration with scientific evidence

Evidence-based medicine is a deliberate effort to acknowledge expert opinion (conventional wisdom) and how it coexists with scientific data. Evidence-based medicine acknowledges that expert opinion is "evidence" and plays a role to fill the "gap between the kind of knowledge generated by clinical research studies and the kind of knowledge necessary to make the best decision for individual patients."[8]

See also

References

Informational notes

  1. ↑ "It will be seen that we appeal, in such a case, neither to the records of legislation nor yet to the conventional wisdom of our forefathers."—(presumably) T. Frelinghuysen

Citations

  1. ↑ "Conventional Wisdom - Definition of Conventional Wisdom by Merriam-Webster". Retrieved 2019-12-13.
  2. ↑ E.g., Mark Leibovich, "A Scorecard on Conventional Wisdom", N.Y. Times (March 9, 2008).
  3. ↑ John Kenneth Galbraith, The Affluent Society (1958), chapter 2.
  4. ↑ Warner, Henry Whiting (presumed author is Theodore Frelinghuysen) (1838). An inquiry into the moral and religious character of the American government. New York: Wiley and Putnam. p. 35. {{cite book}}: |first= has generic name (help)
  5. ↑ E.g., 1 Nahum Capen, The History of Democracy (1874), page 477 ("millions of all classes alike are equally interested and protected by the practical judgment and conventional wisdom of ages").
  6. ↑ E.g., "Shallow Theorists", American Educational Monthly 383 (Oct. 1866) ("What is the result? Just what conventional wisdom assumes it would be.").
  7. ↑ E.g., Joseph Warren Beach, The Technique of Thomas Hardy (1922), page 152 ("He has not the colorless monotony of the business man who follows sure ways to success, who has conformed to every rule of conventional wisdom, and made himself as featureless as a potato field, as tame as an extinct volcano."); "Meditations", The Life (May 1905), page 224 ("in the end he fulfilled the promise of the Lord, and proved that conventional wisdom is short-sighted, narrow, and untrustworthy").
  8. ↑ Tonelli, Mark R (January 2011). "Integrating Clinical Research Into Clinical Decision Making" (PDF). Annali dell'Istituto Superiore di Sanità. 47 (1): 26–30. doi:10.4415/ANN_11_01_07. PMID 21430335. Archived from the original (PDF) on 13 September 2022. Retrieved 30 December 2011.

Further reading


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