Developing people's knowledge about managing human behaviour can in some circumstances be best done on multimedia particularly in the safety area. Depending on the design the students can determine their own pace and time and the computer can be set up in a variety of ways to manage the students progress through interactive feedback and to assure competency. The computer stands ready at any time and within queuing constraints the student can choose the time and period of training. Similarly delivery is flexible. Trainer availability is less of a factor.
Feedback is regular and can be instant.
Delivery quality is consistent. In other mediums course material can change over time as different opinions are brought to bear on course content. Assurance of competency. For similar reasons competency is more consistent and reliable. The machine has infinite patience.