Example Of A Literature Review Essay

2.1 Introduction A literature review is the text of the scientific papers, which includes the current knowledge including substantive findings, as well as theoretical and methodological contributions to a particular topic. A literature review can be just a simple summary of the sources. Literature review provide researcher with a handy guide to a particular topic. This handout will explain what literature reviews are and offer insights into the form and construction of literature reviews in the humanities, social sciences, and sciences.
In this chapter the researcher determined what are the factors of stress that affect the health of technical workers especially effect on physical and mental. Beside, this chapter also describes the relationship each of the independent variables with the dependent variable and theoretical framework of the study.

2.2 Operational definition
2.2.1

It arises when they worry that they cannot cope. The pressures of working life can lead to stress if they are excessive or long-term. Examples of long-term or chronic stress are the fear, frustration and anger that may be produced by an unhappy relationship with one’s boss or with a difficult customer, and the unhappiness of an unsuitable job. Up to a certain point an increase in pressure will improve performance and the quality of life (Selye, 1950).
Occupational stress is defined as an event or sequence of events, non-physical in nature, perceived by the receiver as an attack resulting in a physical, mental, and or emotional fight or fight response. This internal offensive or defensive reaction for prolonged periods of time causes an eventual deterioration of physical, mental, and emotional health. Although there are a variety of stressors that will cause the eventual deterioration, the most commonly experienced are due to role uncertainty and organizational influences (Ferris,