the.com/behavioral
Studying what people actually do, not the noble lies they tell about it.
means Relating to behavior — how organisms or people act, especially as observed and measured rather than guessed at.
from From behavior plus the suffix -al, from Old French avoir, to have or hold oneself; rooted in the idea of how one carries oneself in the world.
Psychology schoolBehaviorism studied actions, ignored the unseen mind.
Economics twistBehavioral economics proved humans are predictably irrational.
Word ageCoined relatively late, around the early 1900s.