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Any number you want: the impact of data cleaning on internal validity

Wilcox, Aidan (2007) Any number you want: the impact of data cleaning on internal validity. Internet Journal of Criminology.

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    Abstract

    Concerns about the internal validity of reconviction studies tend to focus on factors
    such as initial comparability of groups. Often overlooked is the impact that data
    preparation can have. Data preparation refers to the decisions taken by researchers
    regarding which offenders to retain in the sample for analysis. Using data relating to
    a sample of offenders in two police forces, it is shown that these decisions, even when
    applied equally to both groups, can impact differentially on reconviction rates,
    weakening a study s internal validity. Implications of the findings are considered and
    recommendations made to improve the transparency of the process.

    Item Type: Article
    Subjects: H Social Sciences > H Social Sciences (General)
    Q Science > QA Mathematics > QA76 Computer software
    Schools: School of Human and Health Sciences
    Related URLs:
    Depositing User: Sara Taylor
    Date Deposited: 13 Oct 2009 11:51
    Last Modified: 28 Jul 2010 19:48
    URI: http://eprints.hud.ac.uk/id/eprint/5840

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