Experimenter (Noun)

A person who enjoys testing innovative ideas; "she was an experimenter in new forms of poetry".

Nouns denoting people.

A research worker who conducts experiments.

Nouns denoting people.

The experimenter carefully measured the reaction time of the participants in the psychology study.
In the laboratory, the experimenter was responsible for setting up the equipment and collecting data.
The researcher worked as an experimenter on a team studying the effects of climate change on plant growth.
As an experimenter, she was able to design and conduct her own studies on the behavior of rats in mazes.
The experimenter's results were published in a prestigious scientific journal and received widespread attention.