Controlled experiment

/kəntɹˈəʊld ɛkspˈɛɹɪmənt/

/kəntɹˈoʊld ɛkspˈɛɹɪmənt/

an experiment during which only one Variable is changed to realize the effect of it on the experiment

Examples

1. It was a controlled experiment.

2. And here's a controlled experiment.

3. It's not a controlled experiment.

4. The most appropriate statistical study, or the most appropriate study would have been a proper controlled experiment.