Different way of looking at the HRA process

There is a wide range of different HRA methods. So-called second generation methods have become well-known among the professional community and start be registered by responsible managers of human factors from the practice. Everyone is confronted with questions of real benefits of new methods, their comparison, and understanding of their differences and advantages of their use. The article tries to describe HRA methods using well-known traditional approach. It seeks to add some missing formal parts in this classic formal HRA approach.