Estimating the Incidence of Rape and Sexual Assault (2014) / Chapter Skim
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6 Comparison of Rape and Sexual Assault Across Data Sources
6 Comparison of Rape and Sexual Assault Across Data Sources
Pages 91-108
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From page 91... ...
However, the panel acknowledges that it cannot scientifically make such conclusions in this report. The first barrier to such conclusions: the panel focused on the National Crime Victimization Survey (NCVS)
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From page 92... ...
It restricts rape counts to male on female attacks with penile-vagina penetration. Attempted rapes are counted, but all other forms of sexual victimizations are included in a general "assault" category.
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From page 93... ...
Sexual assault included in this category includes a wide range of victimizations that are separate from rape or attempted rape. These crimes include attacks or attempted attacks generally involving unwanted sexual contact between victim and offender.
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From page 94... ...
The definition included both attempted and completed rape. National College Rape is unwanted completed penetration Measures rape and Women Sexual by physical force or the threat of physical attempted rape, Victimization Study force.
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From page 95... ...
The study's estimates did not include attempted rape or other forms of sexual assault. The estimates it produced were more narrowly focused than the NCVS because its target population was only adult women.
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From page 96... ...
TARGET POPULATION, SAMPLING FRAMES, AND SAMPLE SIZE Target Populations and Sampling Frames The target populations for the six surveys are different, with resulting effects on the estimates. The NWS targeted adult (18+ years)
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From page 97... ...
NOTES: Commonalities described in Chapter 2. NCVS = National Crime Victimization Survey, NCWSV = National College Women Sexual Victimization Study, NISVS = National Intimate Partner and Sexual Violence Survey, NVAWS = National Violence Against Women Study, NWS = National Women's Study, UCR = Uniform Crime Reports.
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From page 98... ...
Because of this trend in cell phone usage over the last decade, using only a landline-based RDD sample results in reducing the coverage of the population. Responding to these changes, the NISVS augmented its RDD sample of landline phone numbers to include a cell phone sample.
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From page 99... ...
DATA COLLECTION MODE AND RESPONSE RATES Data collections for all five surveys are interviewer administered and rely heavily on telephone interviewing. Beyond that generality, however, there are differences (see Table 6-3)
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From page 100... ...
census regions National College 1996-1997 2-stage sample, with primary stage Women Sexual stratified list of 2- and 4-year Victimization Study colleges; 2nd stage a sample of (NCWSV) women enrolled in fall 1996 National Intimate 2010 RDD: Random digit dialing using Partner and Sexual both landline and cell phone frames Violence Survey (NISVS)
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From page 101... ...
67% response rate,b n = 4,446 female college Presurvey letter followed by with 86% participation students telephone interview rate n = 18,049 (2010) , male and Interviewer administered with 2010 -- 34% response female, 18+ years cold telephone contact rate NOTE: AAPOR = American Association for Public Opinion Research, PSUs = primary sampling units.
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From page 102... ...
This is not surprising because the UCR has the most restrictive definition of rape and only measures rapes (and attempted rapes) that are known to the police.
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From page 103... ...
NCS = National Crime Survey, NCVS = National Crime Victimization Survey, NCWSV = National College Women Sexual Victimization Study, NISVS = National Intimate Partner and Sexual Violence Study, NVAWS = National Violence Against Women Study, NWS = National Women's Study, UCR = Uniform Crime Reports. SOURCES: Panel-developed graphic using data from Black et al.
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From page 104... ...
TABLE 6-4 Estimates of Number of Rapes and Sexual Assault by Year, by Source 104 Source Gender of NCVS Year Victim UCR No Seriesa Seriesb NWS NVAWS NISVS 1990 Fc 102,555 106,000 NA 683,000d All 130,260 NA 1991 All 106,593 174,000 NA 1992 All 109,062 NA NA 1993 All 106,014 521,223 898,239 1994 All 102,216 443,509 674,291 1995 All 97,470 363,527 563,249 987,362 1996 All 96,252 307,100 437,198 1997 All 96,153 311,110 553,523 1998 All 93,144 332,500 391,101 1999 All 89,411 383,170 591,460 2000 All 90,178 260,950 366,747 2001 All 90,863 248,250 476,578 2002 All 95,235 247,730 349,805 2003 All 93,883 198,850 325,311 2004 All 95,089 209,880 255,769 2005 All 94,347 190,592 207,760 2006 All 92,757 260,940 463,598 2007 All 90,427 248,277 248,277 2008 All 90,479 203,830 349,691 2009 All 89,241 125,910 305,574 2010 Fc 253,555 1,270,000e All 84,767 188,380 268,574 2011 All 243,803
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From page 105... ...
dPrevalence estimate for completed rapes only; does not include attempted rape or other forms of sexual assault. ePrevalence estimate (number of victims)
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From page 106... ...
NCVS = National Crime Victimization Survey, NISVS = National Intimate Partner and Sexual Violence Survey, NVAWS = National Violence Against Women Study, NWS = National Women's Study, UCR = Uniform Crime Reports. aUCR Forcible rape and attempted rapes known to police.
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From page 107... ...
8 This was the case even though these other surveys were often more restrictive in what they measured, such as focusing on adults only, or women only, or not including attempted rape or other forms of sexual assault.
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