Cognitive errors, such as a math error, result from faulty reasoning and can often be corrected once the client is made aware of the error.

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From the edge of his eye, Wadsworth became aware that his client had spoken, but he did not divert his gaze from the tip of his brush.

NEWYORKER: The Limner

Their main aim is to make sure that independent financial advisers charge up-front fees for their work and advice, rather than taking an annual cut of their clients funds as regular commission, of which the client may be only dimly aware.

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He added that his client had suffered "the tragedy of both losing his friend and being acutely aware that he was the cause of that".

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