decision theory

noun

Definition of decision theory 

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

First Known Use of decision theory

1939, in the meaning defined above

Keep scrolling for more

Learn More about decision theory

Share decision theory

Statistics for decision theory

Look-up Popularity

Time Traveler for decision theory

The first known use of decision theory was in 1939

See more words from the same year

More from Merriam-Webster on decision theory

Britannica.com: Encyclopedia article about decision theory

Comments on decision theory

What made you want to look up decision theory? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

a state of commotion or excitement

Get Word of the Day daily email!

Test Your Vocabulary

Words from Greek and Roman Mythology Quiz

  • the-triumph-of-venus-by-alessandro-magnasco
  • Boreal comes from the name of the ancient Greek god of which wind?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
Word Winder's CrossWinder

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

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