In the United States, over five million __________ are enrolled in the public school system. These are children entering school whose native language is not English, and they come from over 350 heritage language backgrounds, with the majority from Hispanic or Asian families.

For 20 years, Debbie has bottled up her resentment toward her mother. Not coincidentally, she's developed a horrible skin rash, cannot sleep, and has lost her appetite. Debbie's situation is an example of

A) sociopathic behaviour. B) a Freudian concept of aggression. C) hostile aggression. D) instrumental aggression. E) misplaced aggression.

After reading about the possible causes of schizophrenia, a scientist thinks that a virus is the most likely cause. What term most accurately describes the scientist's idea?

a) hypothesis b) dependent variable c) extraneous variable d) experimental estimate