2007
DOI: 10.1177/107906320701900207
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The Utility of the Random Controlled Trial for Evaluating Sexual Offender Treatment: The Gold Standard or an Inappropriate Strategy?

Abstract: This paper examines the scientific, practical, and ethical issues surrounding the employment of the Random Controlled Trial (RCT) in the evaluation of sexual offender treatment. Consideration of these issues leads us to conclude that the RCT design is not suitable for determining the effectiveness of sexual offender treatment. We also examine the RCT study by Marques et al. (Sexual Abuse: A Journal of Research and Treatment and Evaluation 17:79-107, 2005) that is often held up as the model for the evaluation o… Show more

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Cited by 117 publications
(46 citation statements)
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“…In the present case, we cannot point to a specific component of our intervention that may be responsible for the observed improvements in TE, not least because of the highly individualized treatments employed in our program. The commentary by Marshall and Marshall (2007) on the challenges of evaluating flexible, individualized treatment programs may be instructive in this regard.…”
Section: Limitationsmentioning
confidence: 98%
“…In the present case, we cannot point to a specific component of our intervention that may be responsible for the observed improvements in TE, not least because of the highly individualized treatments employed in our program. The commentary by Marshall and Marshall (2007) on the challenges of evaluating flexible, individualized treatment programs may be instructive in this regard.…”
Section: Limitationsmentioning
confidence: 98%
“…As one of only a few such methodologically rigorous treatment evaluations, it is cited extensively, often as evidence that sexual offender treatment does not work. Closer inspection of this study, however, reveals 5 considerable methodological weaknesses, such as significant differences in pretreatment risk levels between the treatment and non-treatment groups and the large number of non-volunteers for the study (see Marshall & Marshall, 2007). Clearly, we have an obligation to continue to strive for enhanced treatment effectiveness in light of the potential cost to innocent victims when treated offenders re-offend.…”
Section: How Effective Is Sexual Offender Treatment?mentioning
confidence: 99%
“…For example, only 6 of the 80 program evaluation reviewed by Lösel and Schmucker (2005) were based on randomization. The next best research design recommended by researchers has been referred to as "incidental assignment" which are possible when there are no obvious reasons to expect pre-treatment differences between the experimental group and the control group Marshall & Marshall, 2007). Such designs are often possible when there are insufficient resources to provide treatment to all offenders considered for the study.…”
Section: Methodsmentioning
confidence: 99%