Not directly in most cases. However, it does tend to expose weaknesses in processes that otherwise might usually just avoid error, or amplify effects of adverse influences. People often excuse their own errors by citing stressors such as tiredness, overload and distractions because these are often the most obvious adverse influences. However, they may fail to recognise that their working processes, together with the physical and informational context within which they function undermine the reliability of their performance. These contributory causes may well go unrecognised until pointed out by somebody else.