"Less reactivity" means having a reduced or decreased response to external triggers or stimuli. It implies being calmer or less easily provoked or irritated. Full definition
It will create space for less reactivity and a more grounded emotional stance. (edutopia.org)
In 75 % of Schools where MindUP ™ was implemented, teachers reported that children had more impulse control and less reactivity in class. (mindup.org)
Similarly, individualism may have represented a better fit for populations with a low proportion of social sensitivity alleles where less reactivity to social rejection or exclusion would have been beneficial. (academic.oup.com)