Crime Victims with Developmental Disabilities Report of a Workshop (2001) / Chapter Skim
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Measurement Issues
Measurement Issues
Pages 32-40
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From page 32... ...
Specifically, we address potential biases introduced by the sample design and methodological difficulties associated with interview methods. For example, it is important to remember that criminal victimization of the types counted in the NCVS is relatively rare, that is, in any given reference period, the vast majority of respondents do not report any victimization.
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From page 33... ...
. The problems of using existing nonhousehold lists of persons with developmental disabilities are illustrated by the Client Development Evaluation Reports (CDERs)
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From page 34... ...
When a group of researchers from UCI Mental Retarclation Research Center investigated the acloquacy of CDERs for program evaluation, they found that only 3,067 of the 8,502 patients listed in a centralized medical reimbursement clatabase could be located in CDERs. Thus, this reporting system is not a reliable sample frame.
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From page 35... ...
Proxy Respondents Proxy interviews are often used as a tool to help obtain interviews from individuals who would otherwise be excluded from a survey or from types of individuals who would be unclerrepresentecl in a sample. The methoclological ancl ethical problems posed by interviewing people with clevelopmental disabilities using standard interview methocls, at least seem to r argue tor proxy interviews.
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From page 36... ...
lust 37 victimization incidents were reported by proxies, suggesting that mentally or physically incapacitated people faced significantly lower risks of victimization than the general population (see Table 4-11. If specific crimes are examined, however, mentally or physically incapacitated persons had a significantly higher risk of sexual assault they were nearly twice as likely to report (by proxy)
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From page 37... ...
Proxy interview data are also widely used in clinical practice and research on elderly patients with senile dementia. In these types of interviews, the elderly patient is too cognitively impaired to respond to standard neuropsychological test items, so the caregiver usually an adult child or spouse gives proxy responses.
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From page 38... ...
screening biases that led to significant numbers of false positives in the disability categories (because these nondisabled inmates face lower risks, their experiences bias the relative risk toward zero)
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From page 39... ...
Furthermore, McCleary and Wiebe note that the survey's interview methods must use items designed specifically for the subpopulation with developmental disabilities, use proxy responses only as a last resort, and use interview prompts in a manner guaranteed to produce responses of known validity. Bureau of Justice Statistics Action Plan Despite the difficulties noted above, the Crime Victims with Disabilities Awareness Act of 1998 requires the Bureau of Justice Statistics to collect data under the NCVS.
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From page 40... ...
1 The material on current and future BJS plans is briefly summarized here from a paper entitled "Developing the Capability to Measure Crime Victimization of People With Disabilities," delivered at the 2000 National Conference of the American Society of Criminology in San Francisco, November 17, 2000, by Michael Rand, Victimization Statistics, Bureau of .
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