When preparing charts, it is best to stand at the distance you estimate the audience will be from the speaker, and make sure you can read the print yourself. When speaking about a chart, use a pointer to avoid obscuring the chart with your body. One way of making a large field day more personal and allowing more discussion is to break the crowd into small groups. Each group starts at a different speaker or display, and moves among the demonstrations. There is minimum need for public address systems because groups are small.
People feel free to ask questions in small groups.
As each speaker gives their talk several times during the day, they cut it to the bare essentials and so keep it short. The speaker can slightly modify their presentation according to the response they get from their first audience. Thus the later talks can be made more relevant and clearer. Panel discussion A discussion period, with questions put to a panel of speakers, is often used at rural gatherings. This can stir up healthy debate between panel members.