Philosophy:Ad hoc hypothesis
In science and philosophy, an ad hoc hypothesis is a hypothesis added to a theory in order to save it from being falsified. Often, ad hoc hypothesizing is employed to compensate for anomalies not anticipated by the theory in its unmodified form.
In the scientific community
Scientists are often skeptical of theories that rely on frequent, unsupported adjustments to sustain them. This is because, if a theorist so chooses, there is no limit to the number of ad hoc hypotheses that they could add. Thus the theory becomes more and more complex, but is never falsified. This is often at a cost to the theory's predictive power, however.[1] Ad hoc hypotheses are often characteristic of pseudoscientific subjects.[2][better source needed]
Albert Einstein's addition of the cosmological constant to general relativity in order to allow a static universe was ad hoc. Although he later referred to it as his "greatest blunder", it may correspond to theories of dark energy.[3]
See also
- Ad hoc
- Fringe science
- Russell's teapot
- Deferent and epicycle § Bad science
- No true Scotsman
- Special pleading
- The Structure of Scientific Revolutions
- Proofs and Refutations
- "The Dragon in My Garage"
- Paraconsistent logic
References
- ↑ 1.0 1.1 Stanovich, Keith E. (2007). How to Think Straight About Psychology. Boston: Pearson Education. Pages 19-33
- ↑ Carroll, Robert T. "Ad hoc hypothesis." The Skeptic's Dictionary. 22 Jun. 2008 <http://skepdic.com/adhoc.html>.
- ↑ Texas A&M University. "Einstein's Biggest Blunder? Dark Energy May Be Consistent With Cosmological Constant." ScienceDaily 28 November 2007. 22 June 2008 <https://www.sciencedaily.com/releases/2007/11/071127142128.htm>.
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