Answer:
She should call this new technique method of adjustment.
Explanation:
Method of adjustment is a technique used in psychophysics in which the subject of the experiment is asked to adjust the levels of stimulus. The purpose is to find thresholds. The subject adjusts the stimulus until it is just at the detectable level, for instance. Notice that this is what Jeanine is doing in her research. She asks her participants to be the ones adjusting the levels of stimulus instead of herself.