preexperiment
/ˌpriɪkˈspɛrəmənt/
noun
- A test or trial carried out before the main experiment to check procedures or equipment.
- A preexperiment helped them identify a flaw in the data collection method.
- They conducted a preexperiment with a small group before the full study.
- The team ran a preexperiment to make sure the sensors were working correctly.