As a former paramedic I can tell you that the best training is to offer yourself and urge others to offer themselves as a 'victim' at trainings.
Most people learn by 'hands-on' because the experience is tactile and visual more than auditory.
Most people are not good auditory learners - which is why many do not and cannot complete courses where the material is presented in purely verbal form. The problem with just showing a film is that behavior doesn't change much from just watching a movie - one reason why when we present in ER even the most seasoned ER nurse will shove an oxygen canula under our nose. It isn't that they haven't seen the movies or heard the lecture or even seen a larrie - they have. But people forget. You see, emergency medicine is a very finely choreographed dance, and it works so well because much happens from habit.