It is generally well known that great changes are taking place in professional life. Once, it had been the rule that a person carried on the profession they had learned until their retirement. Today labour force has become scarce and only a flexible employment market ensure the optimal employment of the available workforce. However, this flexibility in professional life also demands a lot from the employed persons; qualified education and continuing education have become essential prerequisites for professional success.

Probability: Stratified: Proportional

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