What is a lie?
A false statement made with the intention of deceiving
Who is better at detecting lies, police officers or college students?
College Students
What is the polygraph?
A machine that reveals physiological responses to questions asked by an examiner
What is the comparison question technique?
The questioning procedure most frequently used during polygraph exams.
What is deception?
An attempt, with forewarning, to create in another a belief that the communicator considers to be untrue
What is the liar's stereotype?
The mistaken belief that certain behavioral cues indicate a person is lying
What physiological things does the polygraph measure?
blood pressure, skin moisture, and changes in heart rate and breathing patterns
What does the comparative questions technique measure?
It measures relative arousal as the indicator of deception
Lying is..?
Multifaceted
What kinds of cues do most people believe mean a person is lying?
crossed legs, shifting and fidgeting, grooming gestures, avoiding eye contact, and stuttering
Examples of countermeasures to polygraph testing.
biting one's tongue, pressing one's toes to the floor, or counting backward
What are comparison questions?
questions involving behaviors that are uncomfortable for suspects but not directly related to the crime under investigation.
"Lying is adaptive and promotes survival" comes from what psychological perspective?
Evolutionary
What is Confirmation Bias?
Flawed interpretation of a suspect’s verbal and nonverbal behavior
What does the success of the polygraph rely on?
If the person getting polygraphed believes in it or not
What are relevant questions?
questions that are directly related to the crime under investigation
The Machiavellian intelligence hypothesis says what?
Humans bend and reshape the truth in order to maintain social relationships with others
Why do peoples falsely confess to a crime?
During interrogation, police officers will put a lot of pressure on innocent suspects if they believe the suspect is lying (confirmation bias)
Psychophysiology experts believe what about the usefulness and reliability of the polygraph?
The polygraph is more questionable than useful.
The comparison question technique says that guilty people will react more strongly to ___ questions and innocent people will react more strongly to ___?
relevant, comparison