The Porter & Lawler model of motivation is an extension of the

Solution

The Porter-Lawler model of motivation, which is an improvement of the expectancy theory, assumes that motivation does not equal satisfaction. It assumes satisfaction does not lead to performance. Rather, the converse is true: performance can, but does not always, lead to satisfaction through the reward process. It assumes that motivation is not a simple cause-and-effect matter. The model advocates that managers carefully assess their reward structures and also assumes that performance leads to intrinsic as well as extrinsic rewards.