StudentShare solutions
Triangle menu

On deception - Lab Report Example

Not dowloaded yet

Extract of sample
On deception

However, the administering of even these scientifically-based tests has come under increasing fire. For example, polygraph results were barred from the trial of a U.S. trial of a federal judge as recently as December of 2008 (Assoicated Press, 2008). If such a scientifically-based device has come under such scrutiny and has been routinely barred from legal proceedings, it begs the question of whether an unaided human can detect deception merely by observing the subject.
In their 1996 study, Vrij and Semin examined this question by recruiting not only college students, but also subjects from a variety of fields thought to be trained and experienced in lie detection (police patrol officers, prison guards, customs officials, etc.) as well as those constantly exposed to an environment based on lies and deception (prisoners). It was their hypothesis that law enforcement officials would be better at lie detection than "normal people" such as college students and that the criminals would have superior abilities to those of law enforcement. All of the subjects reported that they considered themselves highly experienced at detecting deception (Vrij & Semin, 1996).
Vrij and Semin administered their study through a series of questionnaires administered at the subjects' places or work or incarceration. These questionnaires contained questions ranging over 16 nonverbal cues commonly associated with deception and concluded with the subjects rating themselves on their ability to detect deception in others on a 7-point scale. The results were compiled by group (college student, law enforcement, or criminal) and then analysed for accuracy. As predicted, the criminals exhibited the greatest level of accuracy in correctly identifying nonverbal cues of deception. It was also found that there was not a significant difference between the accuracy rates of law enforcement and college students, indicating that those considering themselves professional lie detectors fell victim to the same misconceptions on nonverbal cues as a lay person (Vrij & Semin, 1996).
While Vrij and Semin's study does provide useful data that professional lie detectors have no superior knowledge of deceptive nonverbal cues than the rest of us, it does lack in that none of the subjects were actually tested in their ability to detect deception. This study will address that lack by actually testing whether or not subjects can detect deception through nonverbal cues, particularly by focusing on voice pitch. It is predicted that such attention to nonverbal cues will detect deception at a higher rate than chance and that those observers relying on voice pitch as a deceptive cue will be more accurate than observers relying on other nonverbal cues.
Methods
A pool of 761 subjects was recruited consisting of 454 females and 307 males who were informed that they would be participating in an undergraduate psychology tutorial study. These subjects ranged in age from 17 to 56 years with a mean age of 19.77 years and a standard deviation of 2.58 years.
For this study, each subject was instructed to tell a story to another subject. This narrative could either be true or false and the observer ...Show more

Summary

Humans are deceptive creatures. Arguably more so than other animals, humans have a propensity to lie, cheat, steal, and otherwise deceive their fellow humans. In fact, one study found that 30 to 38% of human interactions contain deception, that 80% of humans lie on resumes, and that 100% of dating couples lie in a least one third of their conversations with their partner (Kornet, 1997) Given this prevalence of deception, it is understandable that humans would also seek reliable means to detect deception in others.
Author : cjohns
Lab report on deception essay example
Read Text Preview
Save Your Time for More Important Things
Let us write or edit the lab report on your topic
"Lab report on deception"
with a personal 20% discount.
Grab the best paper

Related Essays

Lab Report
Since 19th century scientists were aware of some unique identity of an individual which distinguish from others, like finger prints. In 1970, DNA was established as key element in human life and which makes individual as unique creature. Variability in DNA sequences among individual to individual have attracted forensic experts to develop technique based on DNA to identify individual or criminal similar to finger prints.
9 pages (2250 words) Lab Report
Lab report
Then place another clamp with a 200-g suspension and repeat the same previous step. Record positions with respect to the points of support and of the weights used. Empty the meter stick of clamps and
3 pages (750 words) Lab Report
Lab Report
1. E. coli is in competition with S. euglensis at a temperature of 20-35 degrees and a pH of 6-7.5. E. coli is also in competition with N. atol at a temperature of 20-30 degrees and a pH of 4.5 -6.5. P.
1 pages (250 words) Lab Report
Lab Report
Calcium phosphate has greater healthy benefits. Most of the people suffering from tooth decay opt for homemade procedural toothpaste using calcium
1 pages (250 words) Lab Report
Lab report
Another related objective was to apply equations for basic projectile motion in determining how high a rocket can fly. Since launching the model rocket, this is considered a projectile motion influenced by height of launch pad,
3 pages (750 words) Lab Report
Lab report
The parabolic movement is the path traced by an object vertically, with constant acceleration, while the movement horizontally is at a constant velocity. The initial velocity and the projection angle determine
2 pages (500 words) Lab Report
Lab report
For the first cycle, the mass of the water alone is the mass of the crucible lid and hydrate, less the mass of the crucible lid and residue after heating. That gives 22.678 – 22.460 = 0.218. The mass of the hydrated salt is the mass of the crucible lid and hydrated salt, less
1 pages (250 words) Lab Report
Lab report
o calibrate the pressure transducer and then perform an uncertainty analysis and compare your pressure transducer calibration to the manufacturer’s calibration. 1. Excite the pressure transducer, with a voltage of 10v. The figure above had J17 and J18 as AO (Analog Out). It
5 pages (1250 words) Lab Report
Lab Report
From this mode, the shortest side of the triangle was represented by the distance between thumb nails (D), while the longest distance represented the distance from the ruler
2 pages (500 words) Lab Report
Lab report
For this experiment a cuvette, calorimeter, and a color of your choice for the dye solution, A.To begin the experiment, clean the cuvette. Wash out the cuvette three times with water, and then three times with solution. Once
3 pages (750 words) Lab Report
Get a custom paper written
by a pro under your requirements!
Win a special DISCOUNT!
Put in your e-mail and click the button with your lucky finger
Your email
YOUR PRIZE:
Apply my DISCOUNT
Comments (0)
Rate this paper:
Thank you! Your comment has been sent and will be posted after moderation