Continued Education credit
If your company offers Continuing Education (CE) credits for attending training sessions, ensure that everyone receives their due by taking attendance.
More types of activities
Competition
Ask a series of questions and declare a winner at the end for the person who scores the most points.
Self-paced survey
Ask questions before or after an event that people can answer at their own pace.
Panel discussion gamification
Gamify panel discussions, Survivor-style. Ask the audience to periodically vote panelists off the “island” until only one panelist remains.