History and Definition of Stress
Stress is the physiological or psychological strain resulting from demanding environmental or physical stimuli known as stressors. Scientific inquiry into stress began nearly a century ago, with early 20th-century pioneers like Walter Cannon first identifying the body's physiological reactions. The term 'stress' was formally introduced into scientific literature on the human condition in the 1930s and became widely used by the 1970s. An individual's perception of control over a stressor significantly influences their experience of stress, which is also understood as an adaptive response to challenging situations.
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Psychological Stress
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Ubiquity and Rising Levels of Stress
Common Usage and Feeling of Stress
Two employees are informed they must give a presentation to senior management next week. Employee A has extensive public speaking experience and views this as an opportunity to showcase their work. Employee B has a fear of public speaking and sees this as a major threat to their career. Although the external demand is identical for both, Employee B reports feeling significantly more overwhelmed and distressed. Based on the foundational understanding of stress, what is the most critical factor that explains the difference in their reactions?