Motivation has been explained from different perspectives with a different focus. Thus, motivational approaches and tools in the work place are grouped: by content and by process; by chronology as early and contemporary approaches. Content perspectives has a focus on peoples’ needs that result in certain behaviors and actions for fulfilling them such as the ERG theory, two-factor approach, and acquired needs theory.. Process perspectives on the other hand has a focus on peoples’ behaviors which may be affected by environmental factors besides needs such as equity theory, expectancy theory, and goal setting