estimand.

A precisely specified quantity or effect that a statistical analysis aims to estimate.

Use it for

Words that belong together

• define the estimand
• target estimand
• treatment-effect estimand

On the page

The protocol defined the estimand before choosing an estimator for the treatment effect.

Usage notes

Primary category: academic / formal / analytical. Lexical Type: Word. Forms: Singular estimand; plural estimands. Commonness: uncommon (editorial estimate; not a corpus frequency statistic). Legacy lexical fields mirror sense 1; numbered fields keep each relevant meaning separate. Research distinction: Cambridge clinical-trial reader excerpt verifies a precisely defined analysis target and its attributes. Target, sample rule, and observed value are kept distinct. Writing functions: statistical reasoning, methodological precision.