The next step, after you invite the audience, is to investigate whether they’re familiar with your topic by saying the following sentences/expressions.

The goals of your poster presentation might vary according to the level of knowledge of the audience in your field.

If they’re familiar with your research topic, you could directly get into the core of research and explain the details to some extent. However, if they’re not familiar with your topic, the goal of your presentation is to make them understand its significance . In this case, your explanation should focus on your main research points without using much difficult terminology. For an effective interaction between the presenter and the audience, it’s strongly recommended that you tailor your talk to your listeners.