For job enlargement. It could be a means of eliminating the boredom directly related to the type of work that employee perform. This multitasking method could make the job more interesting which also increase the productivity and job satisfaction. On the other hand, it also benefit the employer by saving their money as they can hire less people.
For example, a waiter in a restaurant normally serving the customer and taking orders as their ordinary duty. Now, the manager allocate him to the drinking bar and learn how to make different kind of drinks for the customers. By adding more variety, the job not only becomes more interesting, but workers also contribute more to overall output and therefore have a stronger sense of achievement.
For the Job enrichment. The primary concern is about developing an employee. By assigning tasks done by manager, the employee would develop his/her interest towards the supervisor position. Not only increase the morale to the company, but also enhance his/her future personal growth.
For example, in many company, there is an "Acting" position, like acting manager, acting supervisor etc. Potential employee are selected to these position and receive training or development program. Then they would normally attach to the manager to perform day to day operational jobs. This job enrichment gives employees the opportunity to discover or utilize their potential and motivates them by giving them a sense of satisfaction.
However, there are also disadvantage when using either job enrichment or enlargement.
First, there are cost of