The experiment elicitation technique involves discovering information under controlled conditions or tests. This approach is valuable when theoretical or observed behavior needs to be validated through actual performance or test conditions, often used in prototyping and usability testing.
Exact Extract from BABOK Guide v3 - Technique 10.16: Experiment:
"Experiments are used to identify information when it is not available from other sources or when it is desirable to confirm an assumption or hypothesis under controlled conditions."