We would expect there to be a negative correlation between extraversion and

One of the major problems with drawing conclusions from metabolite studies is that

a) they are inaccurate. b) metabolite levels change significantly over time. c) they are correlational. d) they provide little data.

Some researchers have suggested that borderline personality disorder may be a boundary category between

a) neurosis and psychosis. b) health and the other personality disorders. c) schizoid and schizotypal personality disorders. d) other personality disorders and mood disorders.