Key points are not available for this paper at this time.
Jack Whalen, Don H. Zimmerman, Observations on the Display and Management of Emotion in Naturally Occurring Activities: The Case of "Hysteria" in Calls to 9-1-1, Social Psychology Quarterly, Vol. 61, No. 2 (Jun., 1998), pp. 141-159
Whalen et al. (Mon,) studied this question.