<P> Psychological behaviorism is based upon a more than 60 year program of studying different kinds of complex human learning . That study makes radical behaviorism and psychological behaviorism fundamentally different . </P> <Table> <Tr> <Td> </Td> <Td> This section contains content that is written like an advertisement . Please help improve it by removing promotional content and inappropriate external links, and by adding encyclopedic content written from a neutral point of view . (March 2015) (Learn how and when to remove this template message) </Td> </Tr> </Table> <Tr> <Td> </Td> <Td> This section contains content that is written like an advertisement . Please help improve it by removing promotional content and inappropriate external links, and by adding encyclopedic content written from a neutral point of view . (March 2015) (Learn how and when to remove this template message) </Td> </Tr> <P> The early term behavior modification has been obsolete since the 1990s as it currently refers to the brief revival of methodological behaviorism in the 1970s and early 1980s . Applied behavior analysis--the term that replaced behavior modification--has emerged into a thriving field . </P>

Who posts that learning is a central process in understanding human behaviour