Noun
a deliberately haphazard arrangement of observations so as to simulate chance
Source: WordNetThe researchers confirmed this using a statistical method – known as Mendelian randomisation – that suggested that genes involved in metabolising iron in the blood are partly responsible for a healthy long life. Source: Internet
Trial treatments were 180mg loading dose on day 1 as soon as possible after randomisation, followed by 90mg twice daily on days 2–30, or matching placebo. Source: Internet