Thesis defense opening brief Purpose: Make the research question, contribution and limits clear before the detailed defense. Research question: [Add your own information] Gap in prior work with citation: [Add your own information] Method and sample: [Add your own information] Main result with uncertainty: [Add your own information] Contribution: [Add your own information] Limitations: [Add your own information] Defense section order: [Add your own information] Story order: Move from the research gap to your method, one central finding and its significance, then introduce the detailed evidence. Review: Keep the opening to 60–90 seconds. Preserve uncertainty and citations; use the full defense for methodology and questions. For a video (if needed): target duration, narration language, required visuals and one next action. Confirm scope and quote before production.