Lecture 14 Speech and Deception 2

Lecture 14 Speech - LIN 4930 Speech and Deception 2 Credibility Assessment Psychological stress has traditionally been classified as an emotional

Info iconThis preview shows pages 1–6. Sign up to view the full content.

View Full Document Right Arrow Icon
LIN 4930 Speech and Deception 2
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Credibility Assessment Psychological stress has traditionally been classified as an emotional state and at one end of an arousal continuum on which many emotions can be oriented Psychological stress, in turn, is taken as the underlying basis several of the cues that could be used detecting deception in speech and voice
Background image of page 2
Behaviors / Cognitive States During Deception Arousal Increased heart rate Increased breathing rate Increased perspiration Greater pupil dilation More blinking Feelings of guilt or fear Less eye contact More fidgeting
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Behaviors / Cognitive States During Deception Increased cognitive load Lies involving creating a story as opposed to recalling a past episode Lies must be internally consistent Cued by: Longer response latencies, more hesitations, fewer hand movements to illustrate speech Greater control over verbal and nonverbal behavior Less spontaneous
Background image of page 4
Cues to Deception (DePaulo et al, 2003) Meta-analysis of 116 studies 158 cues coded, in five
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 6
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 10/22/2011 for the course LIN 4930 taught by Professor Habib,r during the Spring '08 term at University of Florida.

Page1 / 16

Lecture 14 Speech - LIN 4930 Speech and Deception 2 Credibility Assessment Psychological stress has traditionally been classified as an emotional

This preview shows document pages 1 - 6. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online