Extraverts are less impaired on experimental tasks by noise than are introverts

A panic attack involves ____. People undergoing this feel intense discomfort; some think during the first such experience that they are dying. Many of the anxiety disorders in the DSM-IV-TR involve one or both of these components, but all involve intensely uncomfortable fear or anxiety as the main presenting symptom.

Fill in the blank(s) with the appropriate word(s).

According to the article TTake a Whii iff, people are not likely to be completely aware of ______ reasons for their behavior:

(a) ultimate (b) proximate (c) purposeful (d) calculated