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Hypothesis1.
Installation of CCTV will decrease crime.
1)Definition
CCTV
CCTV means ‘Closed circuit television’ The purpose of CCTV is industrial, education, traffic control, crime prevention and so on. However, we only define the CCTV as crime prevention CCTV.
Crime
Crime means behavior not subject to social control. This includes from light crime to violent crime such as traffic violations, murder but we only define the Crime as theft and robbery.
2)Operational definition
CCTV
Rate of CCTV installation in each area per 1km’2
Crime
Rate of Theft, robbery in each area divided by population.
3)Unit of analysis
6region in Seoul(Gangnam, Seocho, Songpa, Junglang, Dobong, Gangbuk)
4)Analysis
CCTV
2xxx
2009
2008
2007
2006
area km2
Gangnam
725
462
321
200
87
39.5
Secho
1…(생략)
|
Year
2007
2008
2009
Theft
Robbery
Theft
Robbery
Theft
Robbery
Gangnam-Gu
1694
96
2238
88
3377
130
Seocho-Gu
1208
70
986
40
1656
76
Songpa-Gu
1832
65
1438
54
1954
81
Gangbuk-Gu
743
47
650
40
804
70
Dobong-Gu
1062
27
1148
24
959
30
Junglang-Gu
971
40
1022
30
1148
76
Table Each region’s number of theft and robbery
Population.
Unit : the number of cases
Year
2007
2008
2009
Gangnam-Gu
560,958
557,832
681,476
Seocho-Gu
405969
406320
562,138
Songpa-Gu
623,876
668,962
484,745
Gangbuk-Gu
345,478
342,274
340,367
Dobong-Gu
375,975
373,936
369,733
Junglang-Gu
427,071
427,871
424,761
Table Each region’s population
Figure2. Number of robbery each region.
After being installed CCTV, rate of theft all the more increase in 5 region except Songpa. And Songpa ‘s theft also increases in 2009. It’s mean installation of CCTV has no effect. This situation is explained by accidental crime. The number of accidental
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