Which of these actions would most help a worker improve her productivity?

finding a new job in a different field
finding a new job in a different field

taking a training course related to her job
taking a training course related to her job

buying a laptop computer for home use
buying a laptop computer for home use

asking her employer to give her a raise
asking her employer to give her a raise

Taking a training course related to her job would most help the worker improve her productivity. By increasing her skills and knowledge in her current field, she will be able to work more efficiently and effectively.