Theories of stress

THEORIES OF STRESS The take aim adroitness model The admit judgment model proposed by Karasek (79) focuses on the demands of the working environment, patently is concerned with how job hold back or discretion can moderate the effects of those demands on health stead ( Jones & Fletcher, 96). Karasek is particularly concerned with how demand/discretion affects the cardiovascular system. The steer is that a situation of high demand will puzzle an increase in blood epinephrine levels, with the subsequent changes in blood pressure and blood lipoid levels. It as rise up appears that low discretion or control is associated with change magnitude levels of the stress hormone cortiisol. Therefore, the worst combination for health is when the demands argon high in a condition of low controllability. diversion control has similarly a featured as a major dimension of other models. Despite popular petition there has been mixed evidence in support of t he synergistic effects of control and discretion. In a study by Warr et al (90) in their study of 25 year peck up, reported increased of heart disease with reduced control, further no association with either demand and heart disease, or an fundamental interaction between demand and control.

Karasek himself has subsequently emphasised the splendor of control alone, especi onlyy in white collar workers. In a meta analysis study, showed the importance of job control as a predictor of chronic heart disease. This analysis also showed extra evidence for the role of demands none at all for an interaction effect. Whilst the evidence is inconclu! sive as regards Karasecks model. Carayon (93), set a number of methodological issues with this work. He suggests that most look into contains discombobulate effects, and highlights the difficulties in constraining numerous variables. Inconsistencies may also conduce from a lack of sensitivity of the measures, and the manner in which finale latitude, control and discretion are...If you want to get a ample essay, order it on our website: OrderCustomPaper.com

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