Evaluating the impact of training is crucial to ensure it meets its objectives: 1. Feedback Surveys: Gather employee feedback on the training experience. 2. Performance Metrics: Monitor changes in performance and productivity. 3. Assessments and Tests: Use quizzes and exams to test knowledge retention. 4. Observation: Supervisors can observe changes in behavior and performance. 5. Return on Investment (ROI): Calculate the financial impact of the training on the business.