Answer:
If you want to control and small group to maintain focus and control behavior you would want be interesting.
Step-by-step explanation:
When you speak, speak loudly. The quieter you are the more boring your topic seems.
Another interesting idea make a slide or power-point to go along with you what you are talking about.
The shorter, the better. If you make what you say small and informative your audience is going to retain more information.
Happy to help!