Definition of two-tailed in English:

Share this entry


Pronunciation: /ˌto͞oˈtāld/


(Of a test) testing for deviation from the null hypothesis in both directions.
Example sentences
  • All tests were two-tailed, and statistical significance was considered for p [is less than] 0.05.
  • All statistical significance tests were two-tailed and performed at the 5% level.
  • All tests are two-tailed, and statistical significance is considered at P < 0.05.

For editors and proofreaders

Syllabification: two-tailed

Share this entry

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.