impact our mood and behavior, often negatively. A. behavioral experiment. is a tool for testing our thoughts and beliefs, and replacing those that are irrational with healthy alternatives. Part 1: Experiment Plan. Thought to Test. Mar 16, · The experiment involved exposing children to two different adult models; an aggressive model and a non-aggressive one. After witnessing the adult's behavior, the children would then be placed in a room without the model and were observed to see if they would imitate the behaviors they had witnessed earlier.