Reference for Business states: "The most common training method, on-the-job training, uses more experienced, skilled employees to train less skilled, experienced employees." (Par. 12) It seems that every company uses on-the-job training; if someone usually starts a new job, you will have a mentor/trainer that you will observe so that you learn the job on the job. For example, in a grocery store, as an intern you might watch a worker announce the sale at the register, collect the money, and complete the transaction. The trainer may also observe you doing the log on your own, but will be there if you have any confusion and need help. On-the-job training is so important because you are actually doing the work in a specific situation. If you never log you will never learn. With on-the-job training, it is the first time you find yourself in the position of a worker and not a worker