Correct Answer: Lectures and presentations

Solution : The correct answer is (d) Lectures and presentations.

Lectures and presentations are the training methods best suited for teaching theoretical concepts and principles. In a lecture or presentation format, an instructor can deliver information, explanations, and demonstrations of theoretical concepts and principles. This method allows for a structured and systematic approach to conveying knowledge, providing explanations, and presenting theoretical frameworks. Lectures and presentations are effective for introducing new concepts, providing in-depth explanations, and highlighting key theoretical principles in a concise and organized manner.