The document outlines the key stages and methods of evaluating training programs. It discusses: 1. The immediate reaction level which evaluates trainees' opinions after training through feedback forms. 2. The learning level which assesses knowledge gained through tests at the end of training. 3. The behavior level which evaluates if knowledge was applied on the job through observation and feedback over time. 4. The ultimate outcome level which measures how training impacted results like productivity and profits. The document provides details on benefits, problems, and solutions for each evaluation level to help trainers effectively assess training programs.