| Description | Key Term |
| Hindu festival in India where there is little or no group aggression | |
| In evolutionary explanations, the showing of aggression to assert power and status | |
| in deindividuation, the reduction of evaluating your own behaviour | |
| According to Runcimann, not having as much as you used to have | |
| In group aggression, where group views become infectious and spread rapidly | |
| a criticism of Bandura: the idea that a researcher assumes their ideas are appropriate regardless of culture | |
| Devised by Smelser: basically stages a group goes through to develop collective behaviour | |
| Genetic discovery by Sandberg, where the male has an extra Y chromosome | |
| According to Runcimann, not having as much as other groups | |
| The loss of one's sense of identity | |
| the idea that people in a group will look to others for what to do, and will adopt a distinctive behaviour | |
| in SLT, having good reason to recreate the demonstrated behaviour | |
| an evil act of aggression that isn't instinctive | |
| In evolutionary explanations, a behaviour that when shown stops aggression from an attacker and 'admits defeat' | |
| copying someone: Tarde found the key characteristics for this in 1912 | |
| fear of being assessed by others: relates to deindividuation | |
| watching someone else being rewarded for a behaviour | |
| The idea that testosterone causes a change in a person's behaviour | |
| The idea that aggression is caused by not having what you feel you should have compared to others/what you had in the past | |