Risk factors for attacks by dogs on other dogs, cats

Dog attacks on other dogs or cats are traumatic events for pet owners—but what do we know about how commonly they occur, or how you might reduce the risk of your pet being involved?

Human disturbance affecting little penguins

Flinders University ecologists are calling on summer holiday-goers to not interfere with wildlife and damage habitats, notably for shy animals such as little penguins.

Dogs' aggressive behavior towards humans is often caused by fear

A study encompassing some 9,000 dogs conducted at the University of Helsinki demonstrated that fearfulness, age, breed, the company of other members of the same species and the owner's previous experience of dogs were associated ...

Research highlights the economic costs of workplace bullying

Findings from a new NUI Galway study on workplace bullying, led by Dr. John Cullinan of the Discipline of Economics and Dr. Margaret Hodgins from the Discipline of Health Promotion, has been published in the journal Occupational ...

Managing the risk of aggressive dog behavior

Aggressive behaviour in pet dogs is a serious problem for dog owners across the world, with bite injuries representing a serious risk to both people and other dogs. New research by the University of Bristol has explored the ...

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.

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.

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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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