Porter Lawler Expectancy Theory, Topic 5

Lawler and porters modification to vrooms expectancy theory the expectancy theory of motivation was suggested by victor h.

Forrest griffin law and order. These critics started making adjustments to vrooms model. The theory was one that argued that individual motivation depends on what the outcome would be like how the person who likes the result to be will change how motivated heshe is to meet that target. Porter and lawler lyman w porter and edward e lawler used victor vrooms expectancy theory as a foundation to develop their expectancy model.

They proposed a multi variate model to explain the complex relationship. Though built in large part on vrooms expectancy model. Porter and lawlers model is a more complete model of motivation.

The porter lawler model extends vrooms expectancy theory to incorporate other aspects of motivation which were job satisfaction perceptions of intrinsic and extrinsic rewards etc. The expectancy theory was thought up by vroom in 1963 and later expanded on by porter and lawler in 1968. This model suggests that a high performance level if followed by equitable rewards may lead to increased satisfaction.

Lyman porter and edward lawler came up with a comprehensive theory of motivation combining the various aspects that we have so far been discussing and using two additional variables in their model. The model suggested by them encounters some of the simplistic traditional assumptions made about the positive relationship between satisfaction and performance. The lawler porter version of expectancy theory is cyclical and contains explicit intervening variables.

The lawler porter model extended and expanded vrooms theory of motivation. But it is also affected by the persons ability to do the job and also by individuals perception of what the required task is. Critics of the expectancy model include graen 1969 lawler 1971 lawler and porter 1967 and porter and lawler 1968.

A reward value which refers. Their criticisms of the theory were based upon the expectancy model being too simplistic in nature. In fact porter and lawlers theory is an improvement over vrooms expectancy theory.

Actual performance in a job is primarily determined by the effort spent. Lawler developed a more complete version of motivation depending upon expectancy theory. He was named to the original board of officers of the yale school of management when it was founded in 1976.

Similar to vrooms theory porter and lawler concluded that an individuals motivation to complete a task is affected by the reward they expect to receive for completing the task. The porter and lawler model. In addition to the vroom model porter and lawler recognize that the value of a reward as well as the reward probability influence the effort of an individual.

Vroom an international expert on leadership and decision making. They posit that motivation does not equal satisfaction or performance.