Engagement Interaction Collaboration Measurement When a participant is engaged, that participant wants to be involved in the event; he or she wants to hear what you have to say and wants to meet the objectives of the program. is communication between participants, trainers, and technology. builds on baseline information, and is one of the factors that, in my opinion, moves and event from being a presentation to being true training. Determines the effectiveness of the training and allows instructors to adjust training to meet the needs of students.