Predictable versus unpredictable shock conditions and physiological measures of stress: A reply to Arthur.

Responds to the critique by A. Z. Arthur (see record 1987-09623-001) of the literature review by the authors and L. S. Schoen (see record 1984-28077-001) dealing with the effects of predictable vs unpredictable shockconditions on physiological measures of stress. The classification of studies as short- and long-term is defended, and it is argued that Arthur's criteria for including studies to be reviewed are overly restrictive in that they limit identification of potentially important variables and eliminate most of the relevant literature.