Aggression
Aggression, in its broadest sense, is behavior, or a disposition, that is forceful, hostile or attacking. It may occur either in retaliation or without provocation. In narrower definitions that are used in social sciences and behavioral sciences, aggression is an intention to cause harm or an act intended to increase relative social dominance. Predatory or defensive behavior between members of different species may not be considered aggression in the same sense. Aggression can take a variety of forms and can be physical or be communicated verbally or non-verbally. Aggression differs from what is commonly called assertiveness, although the terms are often used interchangeably among laypeople, e.g. an aggressive salesperson
According to Kendra Cherry, In psychology, the term ‘aggression’ refers to a range of behaviors that can result in both physical and psychological harm to oneself, other or objects in the environment. The expression of aggression can occur in a number of ways, including verbally, mentally and physically. (source: aboutpsychology.com)
Two broad categories of aggression are commonly distinguished. One includes affective (emotional) and hostile or retaliatory aggression, and the other includes instrumental, goal-oriented or predatory aggression.[2] Data on violence from a range of disciplines lend some support to a distinction between affective and predatory aggression.[3] However, some researchers question the usefulness of a hostile vs instrumental distinction in humans, despite its ubiquity in research, because most real-life cases involve mixed motives and interacting causes.[4]
A number of classifications and dimensions of aggression have been suggested. These depend on such things as whether the aggression is verbal or physical; whether or not it involves relational aggression such as covert bullying and social manipulation;[5] whether harm to others is intended or not; whether