Student or Learner
Even though TV does seem to meet the criteria for substance dependence, not all researchers would go so far as to call it addictive. McIlwraith said in 1998 that “displacement of other activities by television may be socially significant but still fall short of the clinical requirement of significant impairment.”
(Scientific American Mind; Volume 14, Number 1; Television Addiction)
Would you be so kind to explain to me why it is 'fall' instead of 'falls'?
[AmE - not a teacher]
I would have used "falls".
[The] displacement ... may be ... significant but the displacement still falls short ...