key terms Flashcards
probative
determining whether suspect is guilty or innocent
prejudicial
biasing jury against defendant
cognitive load
psychological state induced during interviews to make it difficult for suspects to simultaneously maintain a lie and provide accurate information
compliant false confession
Confessions obtained when a suspect is induced to comply with an interrogator’s demands, often due to stress or fear
concealed information test (CIT)
interrogation method focusing on detecting knowledge that only the perpetrator would possess, rather than assessing truthfulness of statements.
criminal profiling
practice of analyzing crime scene evidence to infer characteristics of the unknown offender
polygraph
device measuring physiological responses (e.g., heart rate, skin conductivity) to determine truthfulness; its reliability is debated.
brain fingerprinting
technique measuring brain waves in response to stimuli to assess whether the brain recognizes specific information, aiding in detecting concealed knowledge.
interrogation techniques
Various methods employed by law enforcement to elicit information or confessions from suspects, which can sometimes lead to false confessions.
behavioral confirmation
When an interviewer’s expectations unintentionally influence the suspect’s behavior, leading the suspect to behave in a way that confirms those expectations
control question test (CQT)
type of polygraph test comparing reactions to relevant questions with reactions to control questions to detect deception
deliberate techniques
Deliberate techniques used by individuals to try to defeat lie detection tests, such as physical or mental strategies
diagnostic cues
Behavioral or physiological signs that may indicate deception or truthfulness—though often unreliable in practice
evidence ploys
Interrogation techniques where investigators falsely claim to have incriminating evidence to pressure a confession.
external validity
The extent to which study findings can be generalized to real-life situations
fabricated evidence
False or fake evidence presented to a suspect during interrogation to influence their behavior or statements.
false confession
An admission of guilt for a crime the person did not commit.
false denial
When a guilty person denies involvement in a crime
functional magnetic resonance imaging (fMRI)
A brain imaging technique that measures brain activity by detecting changes in blood flow, sometimes used in lie detection research
fundamental attribution error
The tendency to overemphasize personal traits and underestimate situational factors when explaining someone else’s behavior.
illusory causation
Perceiving a causal relationship between two events that are actually unrelated.
internalized false confessions
When a person comes to believe they actually committed a crime they didn’t commit, often due to intense interrogation.
lie bias
The tendency to assume others are lying more often than they actually are
mass murderer
Someone who kills multiple people (typically 4 or more) in a single location during a single event