A municipal report states: 'Installing CCTV security cameras along Main Avenue reduced street theft incidents by 40% over six months.' Which observation most seriously weakens the claim that CCTV cameras reduced crime overall?
Answer and explanation
Correct answer: D. Street theft incidents in adjacent unmonitored side streets increased by an equivalent amount
- Step 1: The claim is that cameras reduced crime. Step 2. If crime simply migrated to adjacent unmonitored streets (crime displacement), total crime was not reduced, only geographically shifted. Answer: Street theft incidents in adjacent unmonitored side streets increased by an equivalent amount. Why not the others: Business satisfaction and faster police response support the effectiveness of the system.
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