When selecting training aids, the instructor should ensure they illustrate the knowledge that students must possess by the end of the course based on?

The correct choice is rooted in the understanding that the lesson plan serves as the foundation for the entire training process. It outlines the objectives, content, and expected outcomes of the course. By aligning training aids with the lesson plan, the instructor ensures that the materials used are directly relevant and supportive of the specific knowledge and skills that students are expected to acquire by the conclusion of the course.

The lesson plan provides a structured framework that helps instructors maintain focus on the curriculum's objectives, ensuring that students receive clear and consistent messaging throughout their learning experience. Training aids need to complement this framework, reinforcing key concepts and facilitating better understanding. When these aids align with the lesson plan, it enhances the efficacy of the training sessions and promotes successful student outcomes.