Gershon Ben-Shakhar

John J. Furedy

"Polygraphy;' "lie detection;' and the "detection of deception" are all terms that refer to an application of the science of psychophysiology, which itself employs physiological measures to study and differentiate between psychological processes. The issues raised by polygraphy are controversial. One such issue is whether the polygraph is a genuinely scientifically based application, or merely a purported application, of psychophysiology. Such concerns are of interest not only to polygraph practitioners and to specialists in psychophysiology, but also to such other specialists as those in the legal and forensic professions. Moreover, there are two sorts of nonspecialists who should also be concerned. On the one hand, there are the potential "users" of the polygraph-for example, a manager who employs a polygrapher to check on subordinates; on the other hand, there are those "used by" the polygraph - the employee who is subjected to the poly graphic examination. To begin with the user of the polygraph, this person should know not only about its overall accuracy, but also about the rationales of the various detection methods and their validity for different purposes in different sorts of situations. This infor mation is important, because even for the potential user there are costs as well as benefits. Aside from the lack of trust generated by the polygraph, there have also been successful suits by employees against employers, so there are traps in polygraph usage that employers (and managers) need to keep in mind.

A Psychophysiological and International Perspective

Theories and Applications in the Detection of Deception

Bruno Verschuere

Ewout Meijer

Traditional techniques for detecting deception, such as the 'lie-detector test' (or polygraph), are based upon the idea that lying is associated with stress. However, it is possible that people telling the truth will experience stress, whereas not all liars will. Because of this, the validity of such methods is questionable. As an alternative, a knowledge-based approach known as the 'Concealed Information Test' has been developed which investigates whether the examinee recognizes secret information - for example a crime suspect recognizing critical crime details that only the culprit could know. The Concealed Information Test has been supported by decades of research, and is used widely in Japan. This is the first book to focus on this exciting approach and will be of interest to law enforcement agencies and academics and professionals in psychology, criminology, policing and law.

Theory and Application of the Concealed Information Test

Memory Detection

Marianna Barr

Science, Pseudo-science, Non-sense, and Critical Thinking shines an unforgiving light on popular and lucrative ‘miraculous’ practices that promise to offer answers during times of trouble. Throughout the book, the authors unfold the fallacies underlying these practices, as well as consumers’ need and desire to believe in them. Adopting a scientific approach, the book critically evaluates research into cold-reading practices, such as those that claim to be able to communicate with the afterlife or posess supernatural powers, before considering a range of pseudo-sciences including graphology and polygraph interrogation, exposing the pretensions of these practices in a clear and logical fashion. The book seeks to encourage critical thinking throughout, asking whether there is any scientific evidence to support these practitioners’ abilities to supply us with reliable answers, and discussing the various factors that comprise the psychological mechanism of belief. Written in a fluent and accessible style, Science, Pseudo-science, Non-sense, and Critical Thinking is aimed at interested professionals and the public at large.

Gershon Ben-Shakhar

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