All behaviours are determined by past events
All human behaviour is controlled by external events; this means sthat free will doesn not exist.
Only that which can be observed, measured and recorded should be scientific psychology.
Consciousness and mental processes cannot be observed, so cannor be part of the subject matter of psychology.
Complex human behaiour can be reduced to simple, component parts
people are not like machines; people cannot be reduced to components without losing the sense of a person
Extreme view that all learning comes from experience and that heredity has no role to play
Even radical behaviourists had to admit three innate emtionans and certain reflexes occur as a result of heredity.
Behaviourism as a method, has been and continues to be higly influential in present-day psychology.
Behaviourism as a theory, has had to modify its early, extreme, envrionmentalist and determinist position, to takeaccount of consciousness and montal processes.