Aggression is defined as a form of physical or verbal behavior leading to self- assertion; it is often angry and destructive and intended to be injurious, physically or emotionally and aimed at ...

Call it hostile cooperation, sugarcoated hostility, or compliant defiance. Call it all of the above. Passive aggression does not alternate between passive behavior and aggressive behavior, but rather ...

We all come across people who appear very calm but who we can sense have anger and hostility beneath the surface. The show of calmness is an effort to subtly and discretely hide their real feelings.

Aggression and reactivity account for the largest share in training inquiries submitted by American pet owners.