Definition. A theory that is based on the evolution of how a product moves through a four-step process, or life cycle, from beginning to end. This process begins with the introduction of the product, and then it moves on to the growth stage, the maturity stage, and ends with a decline in the product's sales.
The most influential version of this theory is put forward by B. F. Skinner in 1959. His version of Behaviourism is best known as Radical Behaviourism. Skinner, sought to give ethical grounding to behaviourism, relating it to pragmatism. Types of Behavioural Learning.
Functionalism is a theory about the nature of mental states. According to functionalists, mental states are identified by what they do rather than by what they are made of. Functionalism is the most familiar or âreceivedâ view among philosophers of mind and cognitive science.