Lie Detection Through Verbal and Nonverbal Behavior

This dissertation thesis called 'Lie Detection Through Verbal and Nonverbal Behavior' deals with lying and lies from the viewpoint of its types, functions and considering the development of an individual and it describes the role of lying in our lives. Lying itself is not considered as a negative term, but as a type of communication, a social phenomenon, which is a part of our everyday existence. Attention is aimed to verbal behaviour, but especially to nonverbal aspects of lying persons. Then it examines the use of information on lying and lies in the system of forensic psychology during the deception detection tests. It describes historical approaches to lie detection and its current appearance as well as some other aspects, that may be considered lying even if they are not lying at all - false memories or suggestions. The empirical part compares two research designs, one of them trying to find possible personal determinants of successful lie detectors on a group of psychology students and connecting lie detection ability with the concept of emotional inteligence. The second research analyzes the ability to detect deception among Czech police officers as a specific population group, that uses lie detection methods as a means of investigation. Keywords: lying, deception detection, nonverbal..