What supporting material is most effective for illustrating a personal experience in a speech?

Using a personal narrative as supporting material is particularly effective for illustrating a personal experience in a speech because it allows the speaker to share their unique story in a relatable and engaging manner. Personal narratives enable listeners to connect emotionally, as they provide firsthand accounts that can evoke empathy, understanding, and interest. When speakers share their own experiences, they add authenticity to their message, making it more memorable and impactful for the audience. This form of storytelling helps to illustrate key points in a way that statistics or expert opinions may not, as it embodies real-life challenges, successes, and emotions that resonate on a personal level. Employing personal narratives fosters a sense of trust and connection, making the overall message of the speech more persuasive and meaningful.