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Estimation of Victimization Prevalence Using Data from the National Crime Survey / by D. G. Saphire
(Lecture Notes in Statistics. ISSN:21977186 ; 23)
版 | 1st ed. 1984. |
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出版者 | New York, NY : Springer New York : Imprint: Springer |
出版年 | 1984 |
大きさ | 165 p : online resource |
著者標目 | *Saphire, D. G author SpringerLink (Online service) |
件 名 | LCSH:Statistics FREE:Statistics |
一般注記 | 1. Introduction -- 1.1. Cheery Indicators -- 1.2. Aims of the NCS -- 1.3. The Sample Design and Rotation Scheme -- 1.4. The Interview -- 1.5. Data Tapes -- 1.6. Missing Data -- 2. Some Intuitive Prevalence Estimators -- 2.1. Two Ad Hoc Estimators -- 2.2. The BJS Estimators -- 3. Consistency of the Ad Hoc Models -- 3.1. Modelling Victimization -- 3.2. Consistency of the Ad Hoc Estimator -- 3.3. The Modified Version of the Ad Hoc Estimator -- 3.4. Consistency of the BJS Estimators -- 4. Model-Based Estimators -- 4.1. A Homogeneous Bernoulli Model -- 4.2. A Correlated Bernoulli Model -- 4.3. A Markov Model -- 4.4. Comparisons of Estimates -- 5. Nonresponse -- 5.1. Checking the Missing at Random Assumption -- 5.2. Taking the Nonresponse into Account -- 6. Further Research and Conclusions -- 6.1. Extensions -- 6.2. Conclusions -- Appendix A. Questionnaire -- Appendix B. Computer Programs The National Crime Survey is a sample survey of housing units conducted by the U.S. Bureau of the Census. All eligible occupants of a sampled unit are interviewed every six months (for up to seven interviews) about victimizations that they have experienced during the previous six months. In this monograph several longitudinal analyses are performed using a subsample of the data covering the years 1973 through 1975. In particular. several methods of estimating the proportion of units that are crime-free for a given year. denoted by 8. are discussed. First. several ad hoc. as opposed to model-based. estimators of 8 are discussed. including those used by the Bureau of Justice Statistics. We find models under which these estimators are consistent for 8. One such model fits the data very well. A superpopulation approach to the estimation of 8 is then taken. assuming that the nonresponse and sampling mechanisms are ignorable. Three models are fit to the data: i) a homogeneous Bernoulli model. under which victimization is independent from month to month ii) a correlated Bernoulli model. under which victimization in any two months has positive correlation p. and iii) a two-state Markov model with states "victimized" and "crime-free". The correlated Bernoulli model is found to be very inadequate. The other two models fit the 1975 data well. but have rather poor fits to the 1973 and 1974 data. Rotation group biases are conjectured to be the cause of these poor fits HTTP:URL=https://doi.org/10.1007/978-1-4612-5270-2 |
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EB00198018 |
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