Did Dr. Nudge often nudge?
You will have to decide for yourself whether Dr. Nudge nudged often or seldom or not at all. Perhaps begin by looking up some of Dr. Nudge’s works.
Start, if you like, with the study “Flowering of Dichondra in response to temperature and daylength,” V.B. Youngner, F.J. Nudge, and S. Spaulding, American Journal of Botany, vol. 55, no. 7 (1968): 762-766.
BONUS: A nudge about nudging about nudging