Jade seems to lack empathy for others and often displays impulsive behaviors. Jade shows signs of which characteristic?

The tests that make up an aptitude test battery should

A) have low correlations with each other. B) have high correlations with each other. C) have high correlations with composite scores on the battery as a whole. D) consist of items having low correlations with each other.

Which major type of schizophrenia has become rare in Europe and North America?

a. disorganized schizophrenia b. catatonic schizophrenia c. paranoid schizophrenia d. undifferentiated schizophrenia