HOW TO SHORTEN THE FOLLOW-UP PERIOD IN PAROLE STUDIES

• NCJ Number: 43109
• Journal: Journal of Research in Crime and Delinquency Volume: 14 Issue: 2 Dated: (JULY 1977) Pages: 222-236
• Author(s): N KANTROWITZ
• Date Published: 1977
• Length: 15 pages
• Corporate Author: National Council on Crime and Delinquency
• Publication Format: Article
• Publication Type: Report (Study/Research)
• Language: English
• Country: United States of America
• Note: THIS IS A REVISION OF A PAPER PRESENTED AT THE ANNUAL MEETING OF THE AMERICAN SOCIOLOGICAL ASSOCIATION IN 1975.

Annotation

THE STATISTICAL CONCEPT OF 'PROBABILITY OF PAROLE VIOLATION' CAN BE USED TO REDUCE THE NEED FOR LENGTHY FOLLOW-UP PERIODS OF 2 YEARS OR MORE FOR PAROLE STUDIES TO A PERIOD OF 6 MONTHS TO A YEAR.

Abstract

THE PAROLE VIOLATION PROBABILITY FACTOR (PVX) HAS BEEN DEVELOPED OVER TWO DECADES. HERE IT IS APPLIED TO DATA FROM A 2-YEAR CALIFORNIA 'TIME SERVED' STUDY, WHICH COMPARED PAROLE VIOLATIONS OF PERSONS RELEASED 6 MONTHS EARLY WITH THOSE OF PERSONS RELEASED ON SCHEDULE. THE STUDY FOUND NO SIGNIFICANT DIFFERENCE BETWEEN THE TWO GROUPS. USING PVX, THE TREND IS DISCOVERED BETWEEN MONTH 5 AND 7 AND IS CONFIRMED BY MONTH 12. FOR POLICY PURPOSES, USE OF PVX CAN SHORTEN STUDY TIME, MAKE POSSIBLE MORE FLEXIBLE STUDIES, AND REDUCE STUDY COSTS.