0 someone who supports the theory of behaviourism (= the theory that human or animal behaviour is based on mental training and the influence of habit, rather than being explained by thoughts and feelings): --
Skinner was a behaviourist and advocated the theory of operant conditioning.
an animal behaviourist
a practising canine behaviourist
1 supporting or relating to the theory of behaviourism (= the theory that human or animal behaviour is based on mental training and the influence of habit, rather than being explained by thoughts and feelings): --
We can complete it step by step however long the road is and it can't be completed however short the road is if you don't even mark your footprint.
We kunnen het stap voor stap voltooien, hoe lang de weg ook is en het kan niet worden voltooid, hoe kort de weg ook is, als je niet eens je voetafdruk markeert.