Research that involves the collection of data that is in a nonnumerical form is referred to as __________ research

In what way does Eysenck link his dimension of introversion to biology?

A) Introverts are superior to extroverts in their ability to cope with arousal. B) Introverts are innately at a higher level of central nervous system arousal. C) Introverts are either very high or very low in terms of central nervous system arousal. D) Introverts are innately at a lower level of central nervous system arousal. E) He doesn't specify a link.

Many people

a. fall into only one of Holland's career types. b. tend to change from career type to career type across the lifespan. c. tend to combine several career types simultaneously. d. tend to have one career type as an adolescent and another as an adult.