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.
Functionalism is a theory about the nature of mental states. According to functionalism, mental states are identified by what they do rather than by what they are made of. This can be understood by thinking about artifacts like mousetraps and keys. In particular, the original motivation for functionalism comes from the helpful comparison of minds with computers.