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Pareto in Prison.

Mark A Morgan1, Joshua S Long2, Matthew W Logan3

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Summary
This summary is machine-generated.

A small group of prolific prison inmates, the top 20%, cause about 90% of institutional misconduct. These high-rate offenders disproportionately impact the prison environment, affecting safety and order for all.

Keywords:
correctionscriminal behaviorofficer safetyrecidivismrehabilitationrisk assessment

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Area of Science:

  • Criminology
  • Sociology
  • Psychology

Background:

  • The Pareto principle suggests 80% of outcomes stem from 20% of inputs.
  • Understanding offender behavior is crucial for prison management and safety.

Purpose of the Study:

  • To apply the Pareto principle to prison misconduct.
  • To identify characteristics of high-rate offending inmates.

Main Methods:

  • Analysis of a national sample of U.S. prison inmates' self-reported misconduct.
  • Examination of percentile rankings of rule violations and write-ups.
  • Statistical analysis to identify predictors of high-rate offending.

Main Results:

  • The top 20% of inmates accounted for approximately 90% of all rule violations.
  • This pattern held true regardless of sex and after adjusting for time served.
  • Younger age, Black race, extensive criminal history, violent crime, drug use, personality disorders, ADHD, and negative affect predicted high-rate offending.

Conclusions:

  • A small subset of inmates drives a disproportionately large amount of prison disorder.
  • Identifying and understanding these prolific offenders is key to improving prison environments.
  • Further research should explore specific misconduct types and facility-level factors.