Here are some possible assessment rubrics for a debate:

1. Content and Argumentation - Clear and concise statement of the argument - Logical and coherent presentation of evidence and reasoning - Effective use of examples and counterarguments - Ability to address and refute opposing arguments - Overall persuasiveness and impact of the argument

2. Organization and Structure - Clear and logical organization of the argument - Effective use of introduction, body, and conclusion - Smooth transitions between different points and speakers - Appropriate use of visual aids and other supporting materials - Overall coherence and flow of the debate

3. Delivery and Style - Confident and engaging delivery of the argument - Effective use of voice, gestures, and body language - Appropriate tone and style for the audience and topic - Ability to maintain eye contact and engage with the audience - Overall professionalism and effectiveness of the presentation

4. Collaboration and Teamwork - Effective collaboration and coordination among team members - Clear and respectful communication with other team and opponents - Ability to work together to build on each other’s arguments - Overall contribution to the team’s success and effectiveness

5. Knowledge and Research - Demonstrated knowledge and understanding of the topic - Effective use of relevant and credible sources - Ability to integrate and synthesize information from different sources - Overall depth and breadth of research and preparation

6. Ethics and Conduct - Adherence to ethical standards of debate and argumentation - Respectful and professional conduct towards opponents and audience - Ability to maintain composure and respond appropriately to challenges - Overall demonstration of integrity and sportsmanship in the debate.