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34 RODGER DOYLE news SCAN T wo thirds of all felons released from state prisons are rearrested within three years, which helps to explain why U.S. imprisonment rates are so high. Another rea- son is the increased length of sentences, the re- sult of “tough on crime” sentencing laws that became popular in the 1970s. Before 1970, rehabilitation was the dom- inant philosophy among American criminol- ogists. The change to a harsher regime was signaled by sociologist Robert Martinson of the City University of New York, who, in an influential article published in 1974, conclud- ed that “with few exceptions, the rehabilita- tive efforts that have been reported so far have had no appreciable effect on recidivism.” The press expressed this idea under headlines such as “nothing works.” In light of rehabilita- tion’s supposed failure, James Q. Wilson of Harvard University and other neoconserva- tives urged longer prison sentences and, oc- casionally, capital punishment to fight crime. This view soon became the accepted wis- domdespite Martinson’s repudiation in 1979 of his earlier conclusion. In 1985 Alfred S. Regnery, the administrator of the Office of Juvenile Justice and Delinquency Prevention, claimed that “rehabilitation . . . has failed miserably,” and in 1987 Attorney General Edwin Meese referred to the “substantially discredited theory of rehabilitation.” In 1989 the Supreme Court upheld federal sentencing guidelines that removed rehabilitation from serious consideration. About 10 years ago opinion began to shift again, largely because a new research tech- nique, meta-analysis, convincingly dem- onstrated that rehabilitation does work. The method combines the results of many studies, thereby averaging out extraneous and idio- syncratic factors. Meta-analyses of nearly 2,000 studies encompassing a variety of ap- proaches aimed at reducing recidivism have re- vealed that the average effect of rehabilitation is positive, though fairly modest, in part be- cause of the inclusion of a number of therapies that did not work. Certain behavioral modifi- cation programs for violent offenders and for medium-risk sex offenders have been particu- larly effective, achieving reductions in recidi- vism of 50 percent or more as compared with controls. Programs targeting juvenile offend- ersincluding mentoring, skills instruction and, for teenage mothers, intensive home vis- iting to reduce child abuseattained high suc- cess rates in preventing crime. Research studies measure the effectiveness of therapies in an artificial setting, but in real- life situations the treatments are often less con- vincing. Nevertheless, results such as these, even if diluted by half, would still make a sub- stantial dent in the U.S. crime rate. Rehabili- tation therapy is expensive in the short term; still, it is far cheaper than the criminal justice system, which incurred direct costs of $147 billion in 1999 and has been growing by more than 5 percent annually in recent years. One of the leading researchers on criminal behavior, James McGuire of the University of Liverpool in England, notes that, in general, punishment is not effective and may actually increase crime rates. Boot camps, three-strikes laws, so-called scared-straight programs and the death penalty are proving ineffective in preventing recidivism. Public notification of released sex offenders in the community“Megan’s Law” measureshas never been adequately tested for efficacy. Rodger Doyle can be reached at [email protected] Reducing Crime REHABILITATION IS MAKING A COMEBACK BY RODGER DOYLE BY THE NUMBERS HOMICIDE RAPE ARSON DRUG TRAFFICKING ASSAULT FRAUD DRUG POSSESSION ALL OFFENSES ROBBERY BURGLARY LARCENY/THEFT MOTOR VEHICLE THEFT Felons Arrested within Three Years of Release (percent) 0 10 20 30 Reason for Original Arrest 40 50 60 70 80 SOURCE: Bureau of Justice Statistics. Chart is based on data from 15 states, representing two thirds of all prisoners released in 1994 in the U.S. The original arrest does not necessarily match the reason for the rearrest. 33A SCIENTIFIC AMERICAN MAY 2003 Percent of prisoners released in 1994 who were rearrested within three years: Male 68 Female 58 White 63 Black 73 Hispanic 65 Ages 14–17 82 18–24 75 25–29 71 30–34 69 35–39 66 40–44 58 45 and older 45 What Works: Reducing Reoffending. Edited by James McGuire. John Wiley & Sons, 1995. Evidence-Based Programming Today. James McGuire. Paper delivered at the International Community Corrections Association annual conference, Boston, 2002. Offender Rehabilitation and Treatment. Edited by James McGuire. John Wiley & Sons, 2002. Recidivism of Prisoners Released in 1994. Patrick A. Langan and David J. Levin. Bureau of Justice Statistics, June 2002. BACK TO THE BIG HOUSE FURTHER READING COPYRIGHT 2003 SCIENTIFIC AMERICAN, INC.

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Page 1: Reducing Crime

34 S C I E N T I F I C A M E R I C A N M A Y 2 0 0 3

RO

DG

ER

DO

YLE

newsSCAN

Two thirds of all felons released fromstate prisons are rearrested within threeyears, which helps to explain why U.S.

imprisonment rates are so high. Another rea-son is the increased length of sentences, the re-sult of “tough on crime” sentencing laws thatbecame popular in the 1970s.

Before 1970, rehabilitation was the dom-inant philosophy among American criminol-ogists. The change to a harsher regime wassignaled by sociologist Robert Martinson ofthe City University of New York, who, in aninfluential article published in 1974, conclud-ed that “with few exceptions, the rehabilita-tive efforts that have been reported so far havehad no appreciable effect on recidivism.” Thepress expressed this idea under headlines suchas “nothing works.” In light of rehabilita-tion’s supposed failure, James Q. Wilson ofHarvard University and other neoconserva-tives urged longer prison sentences and, oc-casionally, capital punishment to fight crime.This view soon became the accepted wis-dom—despite Martinson’s repudiation in1979 of his earlier conclusion. In 1985 AlfredS. Regnery, the administrator of the Office ofJuvenile Justice and Delinquency Prevention,claimed that “rehabilitation . . . has failedmiserably,” and in 1987 Attorney GeneralEdwin Meese referred to the “substantiallydiscredited theory of rehabilitation.” In 1989the Supreme Court upheld federal sentencingguidelines that removed rehabilitation fromserious consideration.

About 10 years ago opinion began to shiftagain, largely because a new research tech-nique, meta-analysis, convincingly dem-onstrated that rehabilitation does work. Themethod combines the results of many studies,thereby averaging out extraneous and idio-syncratic factors. Meta-analyses of nearly2,000 studies encompassing a variety of ap-proaches aimed at reducing recidivism have re-vealed that the average effect of rehabilitationis positive, though fairly modest, in part be-cause of the inclusion of a number of therapiesthat did not work. Certain behavioral modifi-cation programs for violent offenders and formedium-risk sex offenders have been particu-

larly effective, achieving reductions in recidi-vism of 50 percent or more as compared withcontrols. Programs targeting juvenile offend-ers—including mentoring, skills instructionand, for teenage mothers, intensive home vis-iting to reduce child abuse—attained high suc-cess rates in preventing crime.

Research studies measure the effectivenessof therapies in an artificial setting, but in real-life situations the treatments are often less con-vincing. Nevertheless, results such as these,even if diluted by half, would still make a sub-stantial dent in the U.S. crime rate. Rehabili-tation therapy is expensive in the short term;still, it is far cheaper than the criminal justicesystem, which incurred direct costs of $147billion in 1999 and has been growing by morethan 5 percent annually in recent years.

One of the leading researchers on criminal

behavior, James McGuire of the University ofLiverpool in England, notes that, in general,punishment is not effective and may actuallyincrease crime rates. Boot camps, three-strikeslaws, so-called scared-straight programs andthe death penalty are proving ineffective inpreventing recidivism. Public notification ofreleased sex offenders in the community—

“Megan’s Law” measures—has never beenadequately tested for efficacy.

Rodger Doyle can be reached [email protected]

Reducing Crime REHABILITATION IS MAKING A COMEBACK BY RODGER DOYLE

BY

THE

NU

MB

ER

S

HOMICIDERAPEARSONDRUG TRAFFICKINGASSAULTFRAUDDRUG POSSESSIONALL OFFENSESROBBERYBURGLARYLARCENY/THEFTMOTOR VEHICLE THEFT

Felons Arrested within Three Years of Release (percent)0 10 20 30

Reas

on fo

r Orig

inal

Arr

est

40 50 60 70 80

S O U R C E : B u r e a u o f J u s t i c e S t a t i s t i c s . C h a r t i s b a s e d o nd a t a f r o m 1 5 s t a t e s , r e p r e s e n t i n g t w o t h i r d s o f a l lp r i s o n e r s r e l e a s e d i n 1 9 9 4 i n t h e U . S . T h e o r i g i n a l a r r e s td o e s n o t n e c e s s a r i l y m a t c h t h e r e a s o n f o r t h e r e a r r e s t .

33A S C I E N T I F I C A M E R I C A N M A Y 2 0 0 3

Percent of prisoners released in 1994 who were rearrested within three years:

Male 68Female 58

White 63Black 73Hispanic 65

Ages 14–17 8218–24 7525–29 7130–34 6935–39 6640–44 5845 and older 45

What Works: ReducingReoffending. Edited by James

McGuire. John Wiley & Sons, 1995.

Evidence-Based ProgrammingToday. James McGuire. Paperdelivered at the International

Community CorrectionsAssociation annual conference,

Boston, 2002.

Offender Rehabilitation andTreatment. Edited by James

McGuire. John Wiley & Sons, 2002.

Recidivism of PrisonersReleased in 1994. Patrick A.

Langan and David J. Levin. Bureauof Justice Statistics, June 2002.

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FURTHERREADING

COPYRIGHT 2003 SCIENTIFIC AMERICAN, INC.