De-individuated behaviours are emotional, irrational and impulsive and anti-normative. We lose self-awareness, stop monitoring and regulating our own behaviour so ignore social norms
What were the three conditions in Johnson and Downing's (1979) study?
In one condition, the participants were dressed in a Ku Klux Klan-type outfit where their faces were hidden and in the other they dressed as nurses, there was a control condition where they wore their own clothes