... he received a bad tackle. An example of assertion in sport would be a forceful tackle in rugby as it is within the rules of the game. Channelled aggression is aggression that is used to achieve a goal it is not accompanied by anger. Hostile aggression is behaviour that is intended to harm someone. Moyer termed hostile aggression, reactive aggression which is an emotional response to an individual perceived as an enemy or frustration rival. Instrumental aggression is aggression that is used to reach a non-aggressive goal. E.g. tackling hard to gain possession of the ball. Displacement aggression is where aggression is built up from an event but instead of being aggressive then the aggression is let out at a later point. E.g. getting angry at work, building up aggression then becoming aggressive in a football match after work. Instinct theories of aggression These theories suggest that aggression is an instinct that has evolved to ...

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