Related topics: children · adolescents

US climate sceptics send shivers through Arctic cooperation

For the first time in over two decades, member states of the Arctic Council failed to agree on a final declaration at their bi-annual ministerial meeting on Tuesday, due to a US refusal to mention climate change.

How gangs use social media

The menacing photos that Tevin, a young man affiliated with a Chicago street gang, posted on social media were dramatically different from the 20-year-old whom Stanford sociologist Forrest Stuart got to know during his two ...

Social insecurity also stresses chimpanzees

An international team of researchers from the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, conducted behavioral observations and collected urine samples for cortisol analysis of male chimpanzees ...

Face off—Cyclists not human enough for drivers: study

A new Australian study has found that more than half of car drivers think cyclists are not completely human, with a link between the dehumanisation of bike riders and acts of deliberate aggression towards them on the road.

Sex differences in personality traits in Asian elephants

Scientists from the University of Turku, Finland, have found that male and female Asian elephants differ in their personality. Previous work on a timber elephant population from Myanmar has shown that Asian elephants have ...

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Aggression

In psychology, as well as other social and behavioral sciences, aggression refers to behavior between members of the same species that is intended to cause pain or harm. Predatory or defensive behavior between members of different species is not normally considered "aggression." Aggression takes a variety of forms among humans and can be physical, mental, or verbal. Aggression should not be confused with assertiveness, although the terms are often used interchangeably among laypeople, e.g. an aggressive salesperson.

There are two broad categories of aggression. These include hostile, affective, or retaliatory aggression and instrumental, predatory, or goal-oriented aggression. Empirical research indicates that there is a critical difference between the two, both psychologically and physiologically. Some research indicates that people with tendencies toward affective aggression have lower IQs than those with tendencies toward predatory aggression. If only considering physical aggression, males tend to be more aggressive than females. One explanation for this difference is that females are physically weaker than men, and so need to resort to other means.

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