With Respect to 'Behaviour Modification' Techniques, Which of the Following

With respect to 'behaviour modification' techniques, which of the following statements is INCORRECT?

A) Behaviour modification techniques are based on the idea that by manipulating environmental factors it is possible to favour positive behaviours and discourage problematic behaviours.
B) These techniques were developed by Watson who believed that learning is achieved through small incremental steps.
C) These techniques were developed within the theoretical framework known as 'radical behaviourism'
D) Reinforcement is used to increase the occurrence of a desired behaviour, while punishment is used to decrease the likelihood of an undesired behaviour.