Study guide Flashcards
What is the purpose of interviews and interrogations?
To find the truth
What is the potential for error in eye-witness identifications?
45-60% of all eye-witness identifications are wrong
What are the four factors involved in eye-witness identifications?
Perception
Memory Recall
Communication
Candor
Our communication is categorized into what percentages?
7% words (verbal)
38% voice (paraverbal)
55% gestures (body language)
What is the relationship of recall and speech?
Recall rate: 500 wpm
Speech rate: 120 wpm
Lie rate: 60 wpm (max)
What is the profile of an interviewer?
Attitude
Posture
Eye contact
Facial expressions
Tone of voice
Explain random recall
Retelling event in different order (back to front)
What are some characteristics of a good listener?
Eye contact while speaking
Clarifies what is being said
Repeats occasionally to stay engaged
Reacts responsively
Pays attention
Doesn’t interrupt
What’s the importance of verbal behavior (rate, pitch, and volume) as it relates to deception?
When rate, pitch, and volume all increase simultaneously there is a statistical probability of 80-90% deception.
Define lies of omission
Lie by leaving something out of the story.
Explain and give examples of open ended questions.
Effective
Provides basis for discussion
Allows for narrative answer
Prevents leading
Ex: what happened next?
What’s the significance of non-answers?
Things that people say that do not provide what you asked for.
Ex: Do I look like that type?
If a person dosen’t answer the question… he answered the question.
Define kinesis.
Movement and gestures
Define behavior symptom analysis.
The study of verbal and non verbal characteristics of the truthfulness of a suspect, victim, or witness.
Define leakage.
The liar inadvertently reveals the truth.
Understand the time factor as it relates to behavior change or deceptive persons.
Look and listen for the first deceptive behavior to occur within 5 seconds after the stimulus is delivered.
A cluster is any combination of two or more deceptive indicators when a stimulus is introduced.
Define admission.
Any act or statement made by the suspect that tends toward proving his guilt.
Ex: I’m sorry about what I did.
Define confession,
A statement made by the suspect that acknowledges him to be guilty of the offense charged and discloses the details of the act.
Define interrogation.
To examine by questioning a suspect formally when guilt is reasonably certain.
What criteria are required for issuing Miranda warnings?
There is a restriction on a persons freedom as to render him in custody
Formal arrest
Loss of freedom associated with a formal arrest
And the person is being questioned
