How can a speaker effectively end their impromptu speech?

A strong conclusion is crucial in impromptu speeches as it reinforces the main ideas and leaves a lasting impression on the audience. Summarizing key points ensures that the audience retains the essential messages conveyed during the speech. A well-crafted closing statement can serve to motivate, inspire, or provoke thought, effectively tying back to the introduction and providing a sense of closure. This structure helps solidify the speaker's argument or message, making it memorable and impactful for the audience.

Other options may enhance parts of a speech but do not provide the same level of effectiveness in bringing the speech to a meaningful close. Asking questions can engage the audience but may not provide the conclusion necessary for a solid wrap-up. Making a joke can lighten the mood but risks undermining the seriousness of the speech or detracting from the main points. Thanking judges is courteous but, if done alone, lacks the comprehensive closure a strong summary and closing statement offers.