“…Consequently, a second goal for the present study was to examine the relation between the temporal context and the stress associated with performing a vigilance task. Hancock and Szalma (2008) have identified a central theme that characterizes modern approaches to stress and performance in the appraisal mechanism by which individuals evaluate environmental events, including the tasks that confront them, in terms of their physical and psychological well-being and their ability to cope with those events (Lazarus & Folkman, 1984;Hancock & Warm, 1989;Matthews, 2001;Matthews & Campbell, 1998;Salas, Driskell, & Hughes, 1996). In line with this assertion, stress is defined as a transaction between the individual and an environment in which the individual views the demand of the environment as taxing his or her resources or endangering his or her well-being (Lazarus & Folkman, 1984).…”