Training is a process of learning behaviors and skills to improve employee performance in their current or future jobs. It bridges the gap between expected and actual performance to help organizations meet their objectives. The training process involves assessing needs, designing the training, delivering the training, and evaluating outcomes. Training principles include modeling, reinforcement, spaced practice, feedback, and motivation. Training can be on-the-job, involving coaching and job rotation, or off-the-job through lectures and simulations. Evaluation assesses reaction, learning, job behavior changes, organizational benefits, and overall value. Advantages include improved customer service, safety, and productivity, while disadvantages include costs and reduced productivity during on-the-job training.