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post hoc comparison

post hoc comparison A post hoc comparison is a comparison among group means that is chosen after the data have been examined rather than planned in advance.

A post hoc comparison is a comparison among group means that is chosen after the data have been examined rather than planned in advance. It is a type of unplanned comparison, and it uses different statistical tests than planned comparisons.

Sources

Drafting source: Online Statistics Education, version 2 (David M. Lane, project leader). Version 2; publisher statement snapshot 2026-10-18; SHA-256 0dcad9ee85f61f9e2bb24d26279de155ac749164ea4da2a3bffeabcf9ea471a6. “Unplanned Comparison” (unplanned.html).
public-domain-US · Definition uses new wording; original source retains its stated licence. · Source snapshot SHA-256: 3105edca303a389d0528d22800f2519224d00600c1cb6f8517cd84e244b292c6

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PsychTerms (psychterms.org), CC BY 4.0, version 1. “post hoc comparison.” Development preview.

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post hoc comparison

See also

Sources

Cite this entry