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.
THEORIES OF LEARNING. 2. BEHAVIORIST THEORIES. 2.1. Behaviorism Overview. Behaviorism is an approach to psychology that combines elements of philosophy, methodology, and theory. It emerged in the early twentieth century as a reaction to. mentalistic psychology, which often had difficulty making predictions that could. be tested using rigorous experimental methods.
But the Law of Effect, which is a compact statement of the principle of operant reinforcement, was taken up by what became the dominant movement in American psychology in the first half of the twentieth century: Behaviorism. The founder of behaviorism was John B. Watson at Johns Hopkins university. His successors soon split into two schools: Clark Hull at Yale and Kenneth Spence at Iowa were neo-behaviorists. They sought mathematical laws for learned behavior.