that they vary not only in their amount of motivation, but also in the trend of that motivation (Ryan and Deci, 2000). Different things motivate people who come from different social, cultural, economic and/or financial backgrounds, or who have received different education. An employee’s motives, socio-economic background and value system will have an effect on how they work, as well as influence the outcome of their performance (Wyk and Erasmus, 2003: 315).
Many researchers have worked in the field