# randomized

/ˈɹændəˌmaɪzd/ (US)

Source: https://englishreference.com/word/randomized
Updated: 2026-08-27

## Senses

### 1. chosen by chance

adjective · CEFR C1 · Academic · Technical

chosen or arranged in a way that follows no pattern, so that every person or thing has an equal chance of being picked.

For teachers: selected or assigned using a method that ensures each element has an equal probability of selection, typically to ensure statistical validity.

- The researchers used a randomized list of names to pick people for the interview.
- The study employed a randomized controlled trial to ensure that the results were not influenced by the participants' backgrounds.

Usage: Often used in the phrase 'randomized controlled trial' (RCT) in medical and social science research.

## Examples

- The researchers used a randomized list of names for the study.
- To ensure the results were fair, the participants were split into two randomized groups.
- The gold standard for medical research is the double-blind randomized controlled trial, which minimizes the risk that either the patients or the doctors will influence the final outcome.

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From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.