Journal of Quantitative Criminology

, Volume 4, Issue 3, pp 209–223 | Cite as

When random assignment fails: Some lessons from the Minneapolis Spouse Abuse Experiment

  • Richard A. Berk
  • Gordon K. Smyth
  • Lawrence W. Sherman
Article

Abstract

In this paper, we consider what may be done when researchers anticipate that in the implementation of field experiments, random assignment to experimental and control groups is likely to be flawed. We then reanalyze data from the Minneapolis Spouse Abuse Experiment in a manner that explicitly models violations of random assignment. As anticipated, we find far larger treatment effects than previously reported. The techniques developed should be useful in a wide variety of settings when random assignment is implemented imperfectly.

Key words

field experiments random assignment domestic violence selection bias 

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Copyright information

© Plenum Publishing Corporation 1988

Authors and Affiliations

  • Richard A. Berk
    • 1
  • Gordon K. Smyth
    • 2
  • Lawrence W. Sherman
    • 3
  1. 1.Department of Sociology and Program in Social StatisticsHaines Hall, University of CaliforniaLos Angeles
  2. 2.Statistics and Applied Probability ProgramUniversity of California, Santa BarbaraSanta Barbara
  3. 3.Department of Criminal JusticeUniversity of MarylandCollege Park

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