BU HI Lecture 1
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What are some hindrances to critical thinking?
- faulty logic
- poor perception
- unwarrented generalizations
- emotional reasoning
- misuse of statistics
T or F: Crime Reconstruction is the same as a recreation or reenactment.
- Crime reconstruction is interpreting the events that surround the commission of a crime and should not be confused with a recreation or reenactment.
What are the three types of logical reasoning?
T or F: Induction can be conclusive, sound, or cogent.
False! Induction is not conclusive, but can be sound or cogent.
________ is the process of reasoning where experience, skill, and observation are applied to the particulars of a case and a conclusion or generalization is drawn.
What is deduction?
The process of reasoning that starts with a generalization or premise and then considers the logical consequences of any particulars that follow.
________ is the process of cycling through both inductive and deductive reasoning by adding known facts until one is able to reject or retain a hypothesis.
Describe the scientific method as it applies to homicide investigations.
- 1. State the problem
- -type of crime committed
- -legal elements of the crime
- -rules of admissibility
- 2. Form a hypothesis
- -view scene, victim
- -victimology assessment
- -initial witnesses to event or discovery of body
- 3. Collect data
- -forensic evidence- elimination sample
- -testimonial evidence- alibis, percipient and other witnesses
- -hearsay evidence- reputations, associates
- -record and document all evidence
- 4. Test hypothesis
- -forensic tests
- -objectivity of testimonial evidence
- -hearsay- reliable? basis of knowledge?
- -record and document evidence- reliable and verifiable
- 5. Draw Conclusions- it can be shown to have:
- -occured in a given manner
- -likely occured in a given manner
- -unlikely occured in a given manner
- -or cannot be shown to have occured in a given manner
- 6. Modify hypothesis if consistent and retest
- -seek additional evidence
- -explore other possibilities
- -proactive investigation methods
What does MO stand for, and what does it mean?
Modus Operandi- learned behavior, necessary to commit the crime, serves operational needs
A signature behavior serves __________ and _________ needs.
psychological and emotional
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