controlled experiment

noun

1. an experiment or trial that uses controls, usually separating the subjects into one or more control groups and experimental groups.

Word History and Origins

Origin of controlled experiment¹

First recorded in 1885–90

Example Sentences

Led by Professor Jonathan Johnston at the University of Surrey and Professor Alexandra Johnstone at the University of Aberdeen, the research involved a controlled experiment where participants experienced a 5-hour delay in their bedtime and mealtimes.

From Science Daily

Sahab's team applied a randomized controlled experiment to determine the causal effects of conversational AI facilitation in online discussions in reducing prejudice and anxiety.

From Science Daily

Note: This was a carefully controlled experiment, run by doctors.

From NewsForKids.net

In a field perpetually seeking to tease out the effects of genetics, environment and life experience, they provide a natural controlled experiment as their paths diverge, subtly or dramatically, through adulthood.

From New York Times

To the team's knowledge, it's the first time an empirical analysis of a mandatory password update has been conducted at this large a scale and in the wild, rather than as part of a simulation or controlled experiment.

From Science Daily