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Archived Comments for: Examining impulsivity as an endophenotype using a behavioral approach: a DRD2 TaqI A and DRD4 48-bp VNTR association study

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  1. EIQ version used - Minor correction

    Dan T.A. Eisenberg, Northwestern University

    21 March 2008

    An astute reader pointed out a minor point of confusion in the manuscript. The Eysenck Impulsivity measure (EIQ) used in this manuscript is that of the 1978 citation:

    Eysenck SBG, Eysenck HJ: Impulsiveness and Venturesomeness - Their Position in a Dimensional System of Personality Description. Psychol Rep 1978, 43(3):1247-1255.

    We did not use the specific EIQ measure in the other citation: Eysenck SBG, Pearson PR, Easting G, Allsopp JF: Age Norms for Impulsiveness, Venturesomeness and Empathy in Adults. Pers Individ Dif 1985, 6(5):613-619.

    Hope that clears up any confusion.

    Dan Eisenberg

    Competing interests

    I have no competing interests to declare.

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