The phrase "active experimenters" is correct and usable in written English.
It can be used to describe individuals or groups who engage in hands-on experimentation or practical testing in a particular field or context.
Example: "In the lab, we encourage our students to become active experimenters, exploring new hypotheses through trial and error."
Alternatives: "engaged testers" or "hands-on researchers".
Founder and chief executive Jeff Bezos is an active experimenter, trying everything from drones to make customer deliveries, to gadgets such as the Kindle and Fire smartphone.
During his short career as an active aeronautical experimenter, he met or corresponded with world leaders in the field, including, in addition to Lilienthal and Maxim, Octave Chanute and Lawrence Hargrave.
In the joint active condition, the experimenter did not interfere with the participant's movement but was holding the participant's arm.
When a quail emerged from the box, the experimenter noted its comfort activities and active and passive fear behaviours.
Quail were placed individually in the middle of a wire-netting cylinder (120 cm diameter ×62 cm height) on a linoleum floor, for 5 min. Hidden behind a black curtain with an observation window, the experimenter recorded latency of first step, comfort activities and active and passive fear behaviours.
Two great 13th-century scholars who influenced medicine were Roger Bacon, an active observer and tireless experimenter, and Albertus Magnus, a distinguished philosopher and scientific writer.
The experiment started upon their entry into the booth and Keepon became active, either under the experimenter's control (C-condition) or programmatically (NC-condition).
It is a tool that complements other tools used in biological investigations, and it operates best (or at least most usefully) when there is an active interaction between modelers and experimenters.
In addition, the hand's motion was induced either by the subject's other hand ("Active motion") or by the experimenter ("Passive motion") using a lever.
The nocturnal bats were clock-shifted 12 h so that their active period (night) coincided with that of experimenters.
