decision theory


Definition of decision theory

: a branch of statistical theory concerned with quantifying the process of making choices between alternatives

Examples of decision theory in a Sentence

Recent Examples on the Web His dissertation was on decision theory, the attempt to quantify the costs and risks of various strategies, which was then coming into vogue as an important part of military planning. Ben Bradlee, The New Yorker, 8 Apr. 2021

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'decision theory.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of decision theory

1939, in the meaning defined above

Learn More About decision theory

Time Traveler for decision theory

Time Traveler

The first known use of decision theory was in 1939

See more words from the same year

Dictionary Entries Near decision theory

decision table

decision theory

decision tree

See More Nearby Entries 

Statistics for decision theory

Cite this Entry

“Decision theory.” Dictionary, Merriam-Webster, Accessed 26 Jan. 2022.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

More from Merriam-Webster on decision theory Encyclopedia article about decision theory


Test Your Vocabulary

Difficult Spelling Words Quiz

  • alphabet pasta spelling help
  • Which is the correct spelling?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

Universal Daily Crossword

A daily challenge for crossword fanatics.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!