According to Vroom there are three basic conditions for motivation. The expectation is the probability that a given activity will lead to a certain result. The choice is also a subjective probability, but it is associated with targeting one of several alternatives of behaviour. Preference is initiated by different values, which is given by the results from the work. Studies conducted on the model of Victor Vroom show that when the employee realises that the alleged result is adequate to the efforts of the task, the efforts of the employee usually rises. The Victor Vroom model has been successfully used in the practice of many companies that implement their own programs for motivation. At the same time, each leader can in their daily work to create and maintain expectations in their employees, and this is part of his daily work, i.e. part of his competency as manager. To succeed, he needs to know the valence of the expectations, their strength and the different ways of creating certain expectations. It is extremely important for the managers to use the motivational theories in order to keep their best performers working for them and also to motivate the productivity of the person which doesn`t perform very well. In British Gas, the managers are using the McGregor`s theories. It is absolutely forbidden the employees to share and to tell to anybody the amount of their salaries. The leaders of the teams are making different performance appraisals every month, every six months and at the end of the year. Depending on the results of the person performance his leader creates the target to be met for the next appraisal and includes bonus in his salary if he has met the minimum target. If the worker reaches 80% from the target for more than 6 times in a year, his salary is revised. This is stimulating the improvement of the personality of the employee and motivates him to be happy with his work for the company.