Is The Behaviourist Approach Nature Or Nurture?

Is The Behaviourist Approach Nature Or Nurture? So, in the classic “nature vs nurture” debate, the behaviorists fall squarely on the “nurture” side. According to “radical behaviorists” like Watson, what determines the intelligence, temperament, and other personality characteristics of a child, is the environment in which the child is raised. What psychologist believe in nurture?