• Đề cương môn học dẫn nhập phương pháp nghiên cứuĐề cương môn học dẫn nhập phương pháp nghiên cứu

    Giới thiệu dàn bài của một báo cáo nghiên cứu khoa học. Cách trình bày dữ liệu trong báo cáo nghiên cứu. Những sai lệch (biases) và mối đe dọa (threats) đối với độ tin cậy (reliability) và độ xác thực (validity) của nghiên cứu - Sai lệch do khái niệm hóa, sai lệch do chọn mẫu, sai lệch do đo đạc, sai lệch do người tiến hành, sai lệch do đối...

    pdf8 trang | Chia sẻ: thuychi20 | Ngày: 03/04/2020 | Lượt xem: 61 | Lượt tải: 0

  • Xã hội học - The investigator and the legal systemXã hội học - The investigator and the legal system

    Circumstantial Evidence The broad definition of circumstantial evidence encompasses all evidence other than direct evidence, provided that it logically relates the defendant to the crime Opinion Evidence Matters of description in which a nonexpert may give an opinion include color, size, shape, speed, mental condition, identity, race, and langua...

    ppt24 trang | Chia sẻ: thuychi20 | Ngày: 03/04/2020 | Lượt xem: 51 | Lượt tải: 0

  • Xã hội học - TerrorismXã hội học - Terrorism

    To keep a record of “little” suspicious activities observed by officers. To “connect the dots” between these observations. To apply critical thinking skills. To foil a terrorist attack or some other criminal activity.

    ppt25 trang | Chia sẻ: thuychi20 | Ngày: 03/04/2020 | Lượt xem: 62 | Lượt tải: 0

  • Xã hội học - Recognition, control, and investigation of drug abuseXã hội học - Recognition, control, and investigation of drug abuse

    Informants: Motivations and Types Problem Informants. Some informants have personalities that make them difficult, if not impossible, to manage. Egotistical Informants. Investigators who provide positive reinforcement motivate egotistical informants to continue supplying information. Informants with the James Bond Syndrome. While working as inf...

    ppt31 trang | Chia sẻ: thuychi20 | Ngày: 03/04/2020 | Lượt xem: 50 | Lượt tải: 0

  • Xã hội học - Arson and explosives investigationsXã hội học - Arson and explosives investigations

    Detection of Fire Accelerants. Several types of portable equipment are available to the arson investigator for detecting residues of flammable liquids at fire scenes. Olfactory Detection. The sensitivity of the human nose to gasoline vapor is about 1 part per 10 million. Chemical Color Test Detectors. Chemical color tests may be used to detect bo...

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  • Xã hội học - Agricultural, wildlife and environmental crimesXã hội học - Agricultural, wildlife and environmental crimes

    Agrichemical theft Rural dealers should employ security personnel during months with large inventories Be suspicious of persons offering unusually good buys on agrichemicals Livestock or tack theft All livestock should be marked for identification Avoid leaving animals in remote pastures

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  • Xã hội học - Computer crimeXã hội học - Computer crime

    A virus is a malicious program that is secretly inserted into normal software or a computer's active memory and runs when the host runs; causes effects ranging from annoying messages and deletion of data to interference with the computer's operation A worm is a malicious program that attacks a computer system directly, rather than infecting a hos...

    ppt22 trang | Chia sẻ: thuychi20 | Ngày: 03/04/2020 | Lượt xem: 73 | Lượt tải: 0

  • Xã hội học - Vehicle thefts and related offensesXã hội học - Vehicle thefts and related offenses

    Examples would include but not be limited to: Insured has lived at current address less than six months Insured’s address is a PO box or mail drop Vehicle was purchased with case with no bill of sale

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  • Xã hội học - Larceny offensesXã hội học - Larceny offenses

    Work-at-Home Schemes Advertised opportunities to earn money by doing work at home are frequently nothing more than fraudulent schemes and, at best, rarely result in any meaningful earnings. Home Improvement and Home Repair Frauds A favorite trick of dishonest home repair firms is to mail a brochure offering to do an expensive job for an unusuall...

    ppt32 trang | Chia sẻ: thuychi20 | Ngày: 03/04/2020 | Lượt xem: 54 | Lượt tải: 0

  • Xã hội học - Chương 13: Burglary investigationXã hội học - Chương 13: Burglary investigation

    Types of evidence an investigator may collect in safe burglary cases include: Broken parts of burglary tools Bold cutters from the suspect's home Slag seized at the scene of a burning job

    ppt28 trang | Chia sẻ: thuychi20 | Ngày: 03/04/2020 | Lượt xem: 41 | Lượt tải: 0