The dominant failure in academic presentations is trying to cover everything. A twelve-minute conference slot cannot carry a thesis; it can carry one argument and enough evidence to make it credible.
Deciding what to leave out is the work.
Find the single sentence
Before opening any slide software, write one sentence: if the audience remembers only one thing, what is it?
Everything in the talk either supports that sentence or comes out. This is a harder constraint than it sounds and it is what separates a talk people follow from one they endure.
A structure that works at any length
- Hook — why this matters, in about a minute. A concrete example beats background.
- Question — state it plainly and put it on a slide.
- Approach — enough method for the result to be credible. Not the full chapter.
- Findings — two or three, no more. Each with one clear visual.
- So what — what follows, and for whom.
- Close — return to the single sentence.
Roughly one slide per minute, and fewer than that for anything with a chart on it. If you have thirty slides for twelve minutes, the talk is already lost.
Slides that support speech
- Headlines that state the finding, not the topic.
- Minimum 24pt body text; 28pt is safer in a large room.
- One chart per slide, simplified from the version in your paper, with the key point annotated.
- No paragraph you intend to read aloud. If the slide says it, you are redundant.
- High contrast — projectors wash out subtle colour, and a fifth of viewers may be sitting far back.
- Slide numbers, so questioners can refer to one.
Handling the questions you are dreading
You already know which weakness you hope nobody raises. Prepare that answer first, and prepare it as an acknowledgement rather than a defence.
- Listen to the whole question. Do not start answering halfway through.
- Repeat or paraphrase it — it buys thinking time and ensures the room heard it.
- "That is a limitation, and here is how I handled it" is a strong answer. Pretending otherwise is not.
- "I don't know" followed by "here is how I would find out" is entirely acceptable.
- Keep appendix slides ready for the three most likely detailed questions.
- If a questioner is making a speech rather than asking, offer to continue afterwards and move on.
Before you present
- Rehearse aloud, standing, at full volume. Silent rehearsal always underestimates timing.
- Time it, and cut to 90% of your slot. Overrunning is the one thing chairs cannot forgive.
- Export a PDF as backup and carry it on a USB stick as well as in the cloud.
- Check how your slides look on a projector, not only on your laptop screen.
- Prepare your opening two sentences word for word. Once those are out, the rest follows.
Questions this raises
Brief prompts, yes. A full script read aloud loses the audience within a minute.
Rehearsal does more than anything else. Knowing your opening sentences verbatim removes the worst moment, which is almost always the first thirty seconds.
Still stuck after reading this? That is usually the point at which it is worth asking someone. Describe your project or ask on WhatsApp.