“…Although these studies of trait anxiety have improved the prediction of public-speaking state anxiety, the focus has been on innate psychological components rather than the underlying physiological mechanisms that account for the relationship between states and traits. However, a number of scholars representing a variety of research traditions contend that biological constructs, such as reactivity, play a key role in anxiety fluctuation (Beatty, McCroskey, & Heisel, 1998;Behnke & Sawyer, 2001;Eysenck, 1967Eysenck, , 1991Freeman, Sawyer, & Behnke, 1997;Gray, 1964Gray, , 1982Gray, , 1991Gray & McNaughton, 2000;Pavlov 1951Á1952;Strelau, 1994Strelau, , 1996. Further, these studies have aimed to predict a cognitive state response and have not considered those students prone to experiencing primarily physiological symptoms of anxiety.…”