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.
Vi kan slutföra det steg för steg hur lång vägen än är och den kan inte slutföras hur kort vägen än är om du inte ens markerar ditt fotavtryck.