Natural Reactions is an acting workshop that pursues solely and exclusively the naturalness of the actor in front of the camera. It does not go into more specific methods of interpretation than that of the actor knowing how to play himself.
Knowing how to play oneself is difficult enough to try to interpret disparate characters. Realizing this will help us improve our future interpretations.
For this reason we propose a simple method: the comparison with hidden camera pranks. We consider hidden camera shows to be great acting classes where we have the privilege of seeing real reactions from anonymous people to unexpected situations.
We don't have English subtitles for the video, but I'm pretty sure you can understand what I mean. Give it a try.