Procedure of Johnson and scott study

Johnson and scott made participant think that they were taking place in another lab study. While they were doing the fake study, they heard arguing in another room, then they experienced one of two conditions: 1: A man walks through the door with a pen and grease in his hands (low stress) 2: The argument included the sound of glass breaking, and the man comes through with a bloody letter opener ppts were then asked to identify the right man