Evaluation of DUII Sentencing Practices in Oregon.

Sposito, Brett · 1997 · ROSA P / Oregon. Dept. of Transportation. Research Unit

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Summary

This study evaluated the effectiveness of various sentencing sanctions for driving under the influence of intoxicants (DUII) in Oregon to determine which measures best reduce recidivism. Researchers analyzed combined data from the Oregon Judicial Department and the Department of Motor Vehicles covering convictions from 1991 to 1994. The analysis revealed that jail time, probation, and community service had negligible or inverse effects on recidivism, while fines had a minor positive effect. In contrast, being sentenced to treatment significantly increased the time until the next offense by approximately 637 days. However, the authors concluded that the modeling results were inconclusive and misleading due to significant selection bias and missing data, such as blood-alcohol content levels and treatment completion status.

Key finding

Sentencing offenders to treatment was the only sanction found to have a large positive effect on reducing recidivism, increasing the time until the next DUII offense by 637 days, although the overall study results were deemed inconclusive due to data limitations and selection bias.

Methodology

dataset

Provenance

The full processing record for this entry. Every stage of this paper's journey through the pipeline is logged — what ran, with which tool and model, how many attempts it took, and when it last completed. Discovered via bulk_ingest_rosap on 2026-05-23 (7 acquisition events logged).

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clean success 1 2026-06-01
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enrich success 1 2026-05-23
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summarize success llm qwen3.6-27b 3 2026-06-01
tag success vector_similarity 24 2026-06-11
verify success 1 2026-06-03

Summary generated by qwen3.6-27b-prismaquant on 2026-06-01; verification: verified.

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