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4 - Data and Data Quality

from I - Objectives, Methodology, and Sample

Published online by Cambridge University Press:  09 July 2009

Britta Kyvsgaard
Affiliation:
Danish Ministry of Justice, Copenhagen
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Summary

chapter 3 discussed data biases resulting from nonrandom patterns in report filing and detection, as well as peculiarities of the registration and categorization process more generally. The current chapter examines the quality and validity of the study data, and provides a description of the variables used.

The review of the sample on which the study is based also includes a description of data selection, data supervision, and of reformatting and other changes the data have undergone prior to analysis. In addition to documenting the quality of the data and the processing it has undergone, this review provides an overview of the production of the crime statistics.

The Primary Sample

The advantage of a study based on electronic data is that larger samples are just as easily studied as smaller ones. Since register research typically allows for the use of data from nationwide registers, very large samples become easily analyzable. Such is the case with the electronic data on which this study is based.

As crime is a relatively rare phenomenon, a large sample has been defined so that it is possible to perform a number of special analyses. Since some of the analyses require comparison with the population in general, the primary sample has been drawn from a register that includes all residents in Denmark. “Residents” are individuals with a valid Danish CPR number (Central Person Registration Number).

The primary sample has been drawn to include one-fifteenth of those with a valid CPR number.

Type
Chapter
Information
The Criminal Career
The Danish Longitudinal Study
, pp. 22 - 35
Publisher: Cambridge University Press
Print publication year: 2002

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  • Data and Data Quality
  • Britta Kyvsgaard, Danish Ministry of Justice, Copenhagen
  • Book: The Criminal Career
  • Online publication: 09 July 2009
  • Chapter DOI: https://doi.org/10.1017/CBO9780511499463.006
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  • Data and Data Quality
  • Britta Kyvsgaard, Danish Ministry of Justice, Copenhagen
  • Book: The Criminal Career
  • Online publication: 09 July 2009
  • Chapter DOI: https://doi.org/10.1017/CBO9780511499463.006
Available formats
×

Save book to Google Drive

To save content items to your account, please confirm that you agree to abide by our usage policies. If this is the first time you use this feature, you will be asked to authorise Cambridge Core to connect with your account. Find out more about saving content to Google Drive.

  • Data and Data Quality
  • Britta Kyvsgaard, Danish Ministry of Justice, Copenhagen
  • Book: The Criminal Career
  • Online publication: 09 July 2009
  • Chapter DOI: https://doi.org/10.1017/CBO9780511499463.006
Available formats
×