Date post: | 03-Jun-2018 |
Category: |
Documents |
Upload: | sangam-patil |
View: | 221 times |
Download: | 0 times |
of 15
8/12/2019 22004323 Lie Detector
1/15
SEMINAR TOPIC
LIE DETECTOR
PRESENTED BY:
RAHUL KHARE
8/12/2019 22004323 Lie Detector
2/15
WHAT IS LIE DETECTER
Lie detectors are the instrumentsthat monitor a persons reactions.
Detect only the displacement indeceptive behavior.
8/12/2019 22004323 Lie Detector
3/15
CIRCUIT DIAGRAM
8/12/2019 22004323 Lie Detector
4/15
WORKING OF LIE
DETECTORS
RESPIRATORY RATE.
BLOOD PRESSURE. GALVANIC SKIN RESISTANCE.
ARM AND LEG MOVEMENTS.
8/12/2019 22004323 Lie Detector
5/15
PHYSIOLOGICAL
RESPONSES
8/12/2019 22004323 Lie Detector
6/15
8/12/2019 22004323 Lie Detector
7/15
REQUIREMENTS
Five years of investigativeexperience and associative degree.
Students must attend and pass a tenweek intensive course.
Students must enter an internship
program and conduct a minimum of25 exams for actual cases.
8/12/2019 22004323 Lie Detector
8/15
ERRORS
FALSE POSITIVE- the response of atruthful person is determined to be
deceptive. FALSE NEGATIVE-the response of
deceptive person is determined to be
truthful.
8/12/2019 22004323 Lie Detector
9/15
COMMON COUNTERMEASURES
The idea of counter measures is tocause a certain reactions that willskew the tests result.
Sedatives.
Antiperspirant on finger tips.
Tacks placed in shoes. Biting tongue ,lip or cheek.
8/12/2019 22004323 Lie Detector
10/15
WHO USES
POLYGRAPHS?
National security(central intelligenceagency,FBI,national security
agency,ext). Criminal investigation.
Pre employment screening.
Internal affairs investigations of lawenforcements.
Banks.
8/12/2019 22004323 Lie Detector
11/15
SHORTCOMMINGS AND
COUNTERMEASURES
PRESSURE ON THE SUBJECT.
NO STANDARD PAPER FOR
POLYGRAPH EXAMINERS.
COUNTERMEASURES.
POSSIBILITY OF HUMAN ERRORS ISALWAYS THERE.
8/12/2019 22004323 Lie Detector
12/15
CONCLUSION
Testing the conductivity of the humanbody.
Testing the conductivity of objects. Determining whether a houseplant
needs watering.
Determining whether a cake iscooked.
8/12/2019 22004323 Lie Detector
13/15
CONCLUSION CONTINUED
ON THE BASIS OF MY STUDIED I HADCONCLUDED THAT THIS MACHINE IS70% CORRECT FOR LIE DETECTING
AND 100% FOR OTHER PURPOSES.
8/12/2019 22004323 Lie Detector
14/15
THANK YOU
8/12/2019 22004323 Lie Detector
15/15